diff --git a/api-ref/source/baremetal-api-v1-portgroups-ports.inc b/api-ref/source/baremetal-api-v1-portgroups-ports.inc
index 073bdfde13..5cd32ed417 100644
--- a/api-ref/source/baremetal-api-v1-portgroups-ports.inc
+++ b/api-ref/source/baremetal-api-v1-portgroups-ports.inc
@@ -28,6 +28,15 @@ Response to include only the specified fields, rather than the default set.
 .. versionadded:: 1.53
   Added the ``is_smartnic`` response fields.
 
+.. versionadded:: 1.88
+  Added the ``name`` field.
+
+.. versionadded:: 1.97
+  Added the ``description`` field.
+
+.. versionadded:: 1.100
+  Added the ``vendor`` field.
+
 Normal response code: 200
 
 Error codes: 400,401,403,404
@@ -72,6 +81,15 @@ Return a detailed list of bare metal Ports associated with ``portgroup_ident``.
 .. versionadded:: 1.53
   Added the ``is_smartnic`` response fields.
 
+.. versionadded:: 1.88
+  Added the ``name`` field.
+
+.. versionadded:: 1.97
+  Added the ``description`` field.
+
+.. versionadded:: 1.100
+  Added the ``vendor`` field.
+
 Normal response code: 200
 
 Error codes: 400,401,403,404
@@ -106,6 +124,9 @@ Response
     - updated_at: updated_at
     - links: links
     - is_smartnic: is_smartnic
+    - name: port_name
+    - description: port_description
+    - vendor: port_vendor
 
 **Example details of a Portgroup's Ports:**
 
diff --git a/api-ref/source/baremetal-api-v1-ports.inc b/api-ref/source/baremetal-api-v1-ports.inc
index c22865e734..15716016e8 100644
--- a/api-ref/source/baremetal-api-v1-ports.inc
+++ b/api-ref/source/baremetal-api-v1-ports.inc
@@ -56,6 +56,9 @@ By default, this query will return the uuid and address for each Port.
 .. versionadded:: 1.97
   Added the ``description`` field.
 
+.. versionadded:: 1.100
+  Added the ``vendor`` field.
+
 Normal response code: 200
 
 Request
@@ -128,6 +131,9 @@ This method requires a Node UUID and the physical hardware address for the Port
 .. versionadded:: 1.97
   Added the ``description`` field.
 
+.. versionadded:: 1.100
+  Added the ``vendor`` field.
+
 Normal response code: 201
 
 Request
@@ -146,6 +152,7 @@ Request
     - is_smartnic: req_is_smartnic
     - uuid: req_uuid
     - description: req_port_description
+    - vendor: req_port_vendor
 
 .. note::
    Either `node_ident` or `node_uuid` is a valid parameter.
@@ -175,6 +182,7 @@ Response
     - links: links
     - is_smartnic: is_smartnic
     - description: port_description
+    - vendor: port_vendor
 
 **Example Port creation response:**
 
@@ -216,6 +224,9 @@ Return a list of bare metal Ports, with detailed information.
 .. versionadded:: 1.97
   Added the ``description`` field.
 
+.. versionadded:: 1.100
+  Added the ``vendor`` field.
+
 Normal response code: 200
 
 Request
@@ -254,6 +265,7 @@ Response
     - links: links
     - is_smartnic: is_smartnic
     - description: port_description
+    - vendor: port_vendor
 
 **Example detailed Port list response:**
 
diff --git a/api-ref/source/parameters.yaml b/api-ref/source/parameters.yaml
index 53c2d87d13..02fabf9215 100644
--- a/api-ref/source/parameters.yaml
+++ b/api-ref/source/parameters.yaml
@@ -1582,6 +1582,12 @@ port_name:
   in: body
   required: false
   type: string
+port_vendor:
+  description: |
+    Name of the hardware vendor of the network Port.
+  in: body
+  required: false
+  type: string
 portgroup_address:
   description: |
     Physical hardware address of this Portgroup, typically the hardware
@@ -1983,6 +1989,12 @@ req_port_name:
   in: body
   required: false
   type: string
+req_port_vendor:
+  description: |
+    Name of the hardware vendor of the network Port.
+  in: body
+  required: false
+  type: string
 req_portgroup_address:
   description: |
     Physical hardware address of this Portgroup, typically the hardware
diff --git a/api-ref/source/samples/node-port-detail-response.json b/api-ref/source/samples/node-port-detail-response.json
index 4b7a657999..0ac38ed7d3 100644
--- a/api-ref/source/samples/node-port-detail-response.json
+++ b/api-ref/source/samples/node-port-detail-response.json
@@ -23,6 +23,7 @@
       },
       "node_uuid": "6d85703a-565d-469a-96ce-30b6de53079d",
       "physical_network": "physnet1",
+      "vendor": "splitrock",
       "portgroup_uuid": "e43c722c-248e-4c6e-8ce8-0d8ff129387a",
       "pxe_enabled": true,
       "updated_at": "2016-08-18T22:28:49.653974+00:00",
diff --git a/api-ref/source/samples/port-create-request.json b/api-ref/source/samples/port-create-request.json
index cf3a4dd219..719a93482f 100644
--- a/api-ref/source/samples/port-create-request.json
+++ b/api-ref/source/samples/port-create-request.json
@@ -3,6 +3,7 @@
     "portgroup_uuid": "e43c722c-248e-4c6e-8ce8-0d8ff129387a",
     "name": "port1",
     "description": "Physical Network",
+    "vendor": "splitrock",
     "address": "11:11:11:11:11:11",
     "is_smartnic": true,
     "local_link_connection": {
diff --git a/api-ref/source/samples/port-create-response.json b/api-ref/source/samples/port-create-response.json
index 9436650040..5d8b1c1028 100644
--- a/api-ref/source/samples/port-create-response.json
+++ b/api-ref/source/samples/port-create-response.json
@@ -21,6 +21,7 @@
   },
   "name": "port1",
   "description": "Physical Network",
+  "vendor": "splitrock",
   "node_uuid": "6d85703a-565d-469a-96ce-30b6de53079d",
   "physical_network": "physnet1",
   "portgroup_uuid": "e43c722c-248e-4c6e-8ce8-0d8ff129387a",
diff --git a/api-ref/source/samples/port-list-detail-response.json b/api-ref/source/samples/port-list-detail-response.json
index 405707b1c0..3c0572f314 100644
--- a/api-ref/source/samples/port-list-detail-response.json
+++ b/api-ref/source/samples/port-list-detail-response.json
@@ -23,6 +23,7 @@
       },
       "name": "port1",
       "description": "Physical Network",
+      "vendor": "splitrock",
       "node_uuid": "6d85703a-565d-469a-96ce-30b6de53079d",
       "physical_network": "physnet1",
       "portgroup_uuid": "e43c722c-248e-4c6e-8ce8-0d8ff129387a",
diff --git a/api-ref/source/samples/port-update-response.json b/api-ref/source/samples/port-update-response.json
index e2eb622a6a..8687835ed7 100644
--- a/api-ref/source/samples/port-update-response.json
+++ b/api-ref/source/samples/port-update-response.json
@@ -21,6 +21,7 @@
   },
   "name": "port1",
   "description": "Physical Network",
+  "vendor": "splitrock",
   "node_uuid": "6d85703a-565d-469a-96ce-30b6de53079d",
   "physical_network": "physnet1",
   "portgroup_uuid": "e43c722c-248e-4c6e-8ce8-0d8ff129387a",
diff --git a/doc/source/contributor/webapi-version-history.rst b/doc/source/contributor/webapi-version-history.rst
index 7707d70a54..ed75f818c3 100644
--- a/doc/source/contributor/webapi-version-history.rst
+++ b/doc/source/contributor/webapi-version-history.rst
@@ -2,6 +2,11 @@
 REST API Version History
 ========================
 
+1.100 (Flamingo)
+-----------------------
+
+Add a 'vendor' field to the Port object.
+
 1.99 (Flamingo)
 -----------------------
 
diff --git a/ironic/api/controllers/v1/port.py b/ironic/api/controllers/v1/port.py
index 929d7e6a70..888c12ee7c 100644
--- a/ironic/api/controllers/v1/port.py
+++ b/ironic/api/controllers/v1/port.py
@@ -54,6 +54,7 @@ PORT_SCHEMA = {
         'uuid': {'type': ['string', 'null']},
         'name': {'type': ['string', 'null']},
         'description': {'type': ['string', 'null'], 'maxLength': 255},
+        'vendor': {'type': ['string', 'null'], 'maxLength': 32},
     },
     'required': ['address'],
     'oneOf': [
@@ -78,6 +79,7 @@ PATCH_ALLOWED_FIELDS = [
     'pxe_enabled',
     'name',
     'description',
+    'vendor',
 ]
 
 PORT_VALIDATOR_EXTRA = args.dict_valid(
@@ -139,6 +141,9 @@ def hide_fields_in_newer_versions(port):
     # if requested version is < 1.97, hide description field.
     if not api_utils.allow_port_description():
         port.pop('description', None)
+    # if requested version is < 1.100, hide vendor field.
+    if not api_utils.allow_port_vendor():
+        port.pop('vendor', None)
 
 
 def convert_with_links(rpc_port, fields=None, sanitize=True):
@@ -405,6 +410,9 @@ class PortsController(rest.RestController):
         if ('description' in fields
                 and not api_utils.allow_port_description()):
             raise exception.NotAcceptable()
+        if ('vendor' in fields
+                and not api_utils.allow_port_vendor()):
+            raise exception.NotAcceptable()
 
     @METRICS.timer('PortsController.get_all')
     @method.expose()
diff --git a/ironic/api/controllers/v1/utils.py b/ironic/api/controllers/v1/utils.py
index 2bb0b83404..15c0e755a6 100644
--- a/ironic/api/controllers/v1/utils.py
+++ b/ironic/api/controllers/v1/utils.py
@@ -2242,3 +2242,11 @@ def allow_port_description():
     Version 1.97 of the API added description field to the port object.
     """
     return api.request.version.minor >= versions.MINOR_97_PORT_DESCRIPTION
+
+
+def allow_port_vendor():
+    """Check if vendor is allowed for ports.
+
+    Version 1.100 of the API added description field to the port object.
+    """
+    return api.request.version.minor >= versions.MINOR_100_PORT_VENDOR
diff --git a/ironic/api/controllers/v1/versions.py b/ironic/api/controllers/v1/versions.py
index 44fd535eca..739e2af58a 100644
--- a/ironic/api/controllers/v1/versions.py
+++ b/ironic/api/controllers/v1/versions.py
@@ -137,6 +137,7 @@ BASE_VERSION = 1
 # v1.97: Add description field to port.
 # v1.98: Add support for object attributes with keys containing ~ or /.
 # v1.99: Add conductor group filtering to port and portgroup list
+# v1.100: Add vendor field to port.
 
 MINOR_0_JUNO = 0
 MINOR_1_INITIAL_VERSION = 1
@@ -238,6 +239,7 @@ MINOR_96_INSPECTION_RULES = 96
 MINOR_97_PORT_DESCRIPTION = 97
 MINOR_98_SUPPORT_SPECIAL_CHAR_IN_ATTRIBUTES = 98
 MINOR_99_PORT_PORTGROUP_CONDUCTOR_GROUP_FILTER = 99
+MINOR_100_PORT_VENDOR = 100
 
 # When adding another version, update:
 # - MINOR_MAX_VERSION
@@ -246,7 +248,7 @@ MINOR_99_PORT_PORTGROUP_CONDUCTOR_GROUP_FILTER = 99
 # - common/release_mappings.py, RELEASE_MAPPING['master']['api']
 
 
-MINOR_MAX_VERSION = MINOR_99_PORT_PORTGROUP_CONDUCTOR_GROUP_FILTER
+MINOR_MAX_VERSION = MINOR_100_PORT_VENDOR
 
 # String representations of the minor and maximum versions
 _MIN_VERSION_STRING = '{}.{}'.format(BASE_VERSION, MINOR_1_INITIAL_VERSION)
diff --git a/ironic/common/release_mappings.py b/ironic/common/release_mappings.py
index 4df82d9653..8aafe559f6 100644
--- a/ironic/common/release_mappings.py
+++ b/ironic/common/release_mappings.py
@@ -896,7 +896,7 @@ RELEASE_MAPPING = {
     # make it below. To release, we will preserve a version matching
     # the release as a separate block of text, like above.
     'master': {
-        'api': '1.99',
+        'api': '1.100',
         'rpc': '1.61',
         'objects': {
             'Allocation': ['1.1'],
@@ -908,7 +908,7 @@ RELEASE_MAPPING = {
             'Chassis': ['1.3'],
             'Deployment': ['1.0'],
             'DeployTemplate': ['1.1'],
-            'Port': ['1.12'],
+            'Port': ['1.13'],
             'Portgroup': ['1.5'],
             'Trait': ['1.0'],
             'TraitList': ['1.0'],
diff --git a/ironic/db/sqlalchemy/alembic/versions/e4827561979d_add_vendor_attribute_to_port_object.py b/ironic/db/sqlalchemy/alembic/versions/e4827561979d_add_vendor_attribute_to_port_object.py
new file mode 100644
index 0000000000..fe8e319ea0
--- /dev/null
+++ b/ironic/db/sqlalchemy/alembic/versions/e4827561979d_add_vendor_attribute_to_port_object.py
@@ -0,0 +1,31 @@
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+"""Add vendor attribute to Port object
+
+Revision ID: e4827561979d
+Revises: 1c14278d6e33
+Create Date: 2025-07-16 00:18:19.332889
+
+"""
+
+from alembic import op
+import sqlalchemy as sa
+
+# revision identifiers, used by Alembic.
+revision = 'e4827561979d'
+down_revision = '1c14278d6e33'
+
+
+def upgrade():
+    op.add_column('ports', sa.Column('vendor', sa.String(length=32),
+                                     nullable=True))
diff --git a/ironic/db/sqlalchemy/models.py b/ironic/db/sqlalchemy/models.py
index e5ecc8fc58..131cf21d11 100644
--- a/ironic/db/sqlalchemy/models.py
+++ b/ironic/db/sqlalchemy/models.py
@@ -270,6 +270,7 @@ class Port(Base):
     is_smartnic = Column(Boolean, nullable=True, default=False)
     name = Column(String(255), nullable=True)
     description = Column(String(255), nullable=True)
+    vendor = Column(String(32), nullable=True)
 
     _node_uuid = orm.relationship(
         "Node",
diff --git a/ironic/objects/port.py b/ironic/objects/port.py
index 5706121492..ecda6c5b0b 100644
--- a/ironic/objects/port.py
+++ b/ironic/objects/port.py
@@ -46,7 +46,8 @@ class Port(base.IronicObject, object_base.VersionedObjectDictCompat):
     # Version 1.10: Add name field
     # Version 1.11: Add node_uuid field
     # Version 1.12: Add description field
-    VERSION = '1.12'
+    # Version 1.13: Add vendor field
+    VERSION = '1.13'
 
     dbapi = dbapi.get_instance()
 
@@ -67,6 +68,7 @@ class Port(base.IronicObject, object_base.VersionedObjectDictCompat):
                                                   default=False),
         'name': object_fields.StringField(nullable=True),
         'description': object_fields.StringField(nullable=True),
+        'vendor': object_fields.StringField(nullable=True),
     }
 
     def _convert_field_by_version(self, field_name, introduced_version,
@@ -120,6 +122,12 @@ class Port(base.IronicObject, object_base.VersionedObjectDictCompat):
         Version 1.10: remove name field for unsupported versions if
             remove_unavailable_fields is True.
 
+        Version 1.12: remove description for unsupported versions if
+            remove_unavailable_fields is True.
+
+        Version 1.13: remove vendor for unsupported versions if
+            remove_unavailable_fields is True.
+
         :param target_version: the desired version of the object
         :param remove_unavailable_fields: True to remove fields that are
             unavailable in the target version; set this to True when
@@ -151,6 +159,9 @@ class Port(base.IronicObject, object_base.VersionedObjectDictCompat):
         # Convert the description field.
         self._convert_field_by_version('description', (1, 12), target_version,
                                        remove_unavailable_fields)
+        # Convert the vendor field.
+        self._convert_field_by_version('vendor', (1, 13), target_version,
+                                       remove_unavailable_fields)
 
     # NOTE(xek): We don't want to enable RPC on this call just yet. Remotable
     # methods can be used in the future to replace current explicit RPC calls.
@@ -526,7 +537,8 @@ class PortCRUDPayload(notification.NotificationPayloadBase):
     # Version 1.3: Add "is_smartnic" field
     # Version 1.4: Add "name" field
     # Version 1.5: Add "description" field
-    VERSION = '1.5'
+    # Version 1.6: Add "vendor" field
+    VERSION = '1.6'
 
     SCHEMA = {
         'address': ('port', 'address'),
@@ -540,6 +552,7 @@ class PortCRUDPayload(notification.NotificationPayloadBase):
         'is_smartnic': ('port', 'is_smartnic'),
         'name': ('port', 'name'),
         'description': ('port', 'description'),
+        'vendor': ('port', 'vendor'),
     }
 
     fields = {
@@ -558,6 +571,7 @@ class PortCRUDPayload(notification.NotificationPayloadBase):
                                                   default=False),
         'name': object_fields.StringField(nullable=True),
         'description': object_fields.StringField(nullable=True),
+        'vendor': object_fields.StringField(nullable=True),
     }
 
     def __init__(self, port, node_uuid, portgroup_uuid):
diff --git a/ironic/tests/unit/api/controllers/v1/test_port.py b/ironic/tests/unit/api/controllers/v1/test_port.py
index 01bf80e69c..318e711fb1 100644
--- a/ironic/tests/unit/api/controllers/v1/test_port.py
+++ b/ironic/tests/unit/api/controllers/v1/test_port.py
@@ -2000,6 +2000,7 @@ class TestPost(test_api_base.BaseApiTest):
         pdict.pop('portgroup_uuid')
         pdict.pop('name')
         pdict.pop('description')
+        pdict.pop('vendor')
         headers = {api_base.Version.string: str(api_v1.min_version())}
         response = self.post_json('/ports', pdict, headers=headers)
         self.assertEqual('application/json', response.content_type)
diff --git a/ironic/tests/unit/db/test_ports.py b/ironic/tests/unit/db/test_ports.py
index dded9aa8ee..9d80c4df09 100644
--- a/ironic/tests/unit/db/test_ports.py
+++ b/ironic/tests/unit/db/test_ports.py
@@ -342,3 +342,29 @@ class DbPortTestCase(base.DbTestCase):
 
         retrieved_port1 = self.dbapi.get_port_by_uuid(port1.uuid)
         self.assertEqual(new_description, retrieved_port1.description)
+
+    def test_create_port_with_vendor(self):
+        vendor = 'intel'
+        port1 = db_utils.create_test_port(
+            uuid=uuidutils.generate_uuid(),
+            node_id=self.node.id,
+            address='52:54:00:cf:2d:42',
+            vendor=vendor)
+
+        port2 = db_utils.create_test_port(
+            uuid=uuidutils.generate_uuid(),
+            node_id=self.node.id,
+            address='52:54:00:cf:2d:45',
+            vendor=vendor)
+
+        self.assertEqual(vendor, port1.vendor)
+        self.assertEqual(vendor, port2.vendor)
+
+        new_vendor = 'mikrotik'
+        updated_port = self.dbapi.update_port(
+            port1.id, {'vendor': new_vendor})
+
+        self.assertEqual(new_vendor, updated_port.vendor)
+
+        retrieved_port1 = self.dbapi.get_port_by_uuid(port1.uuid)
+        self.assertEqual(new_vendor, retrieved_port1.vendor)
diff --git a/ironic/tests/unit/db/utils.py b/ironic/tests/unit/db/utils.py
index 25b730bf35..a6fed6bde6 100644
--- a/ironic/tests/unit/db/utils.py
+++ b/ironic/tests/unit/db/utils.py
@@ -289,6 +289,7 @@ def get_test_port(**kw):
         'is_smartnic': kw.get('is_smartnic', False),
         'name': kw.get('name'),
         'description': kw.get('description'),
+        'vendor': kw.get('vendor'),
     }
 
 
diff --git a/ironic/tests/unit/objects/test_objects.py b/ironic/tests/unit/objects/test_objects.py
index 7fe706853a..5dd4c7b149 100644
--- a/ironic/tests/unit/objects/test_objects.py
+++ b/ironic/tests/unit/objects/test_objects.py
@@ -678,7 +678,7 @@ expected_object_fingerprints = {
     'Node': '1.41-baff7b2b06243d97448b720030b2e612',
     'MyObj': '1.5-9459d30d6954bffc7a9afd347a807ca6',
     'Chassis': '1.3-d656e039fd8ae9f34efc232ab3980905',
-    'Port': '1.12-49ecc658f87df43ba1bb65543a5987e0',
+    'Port': '1.13-f79db5cc15189d3e8b257db582b2329e',
     'Portgroup': '1.5-df4dc15967f67114d51176a98a901a83',
     'Conductor': '1.4-a9703208fdab5fab8f1cec420be1b4a7',
     'EventType': '1.1-aa2ba1afd38553e3880c267404e8d370',
@@ -699,7 +699,7 @@ expected_object_fingerprints = {
     'NodeCRUDNotification': '1.0-59acc533c11d306f149846f922739c15',
     'NodeCRUDPayload': '1.15-9168946f843edd5859464aaa40ad70e0',
     'PortCRUDNotification': '1.0-59acc533c11d306f149846f922739c15',
-    'PortCRUDPayload': '1.5-174b559bcc8e472cbe4c0afac2b40e66',
+    'PortCRUDPayload': '1.6-72323673fb8b869200d91bcd6886acae',
     'NodeMaintenanceNotification': '1.0-59acc533c11d306f149846f922739c15',
     'NodeConsoleNotification': '1.0-59acc533c11d306f149846f922739c15',
     'PortgroupCRUDNotification': '1.0-59acc533c11d306f149846f922739c15',
diff --git a/releasenotes/notes/port-vendor-ad30b76dc23efc38.yaml b/releasenotes/notes/port-vendor-ad30b76dc23efc38.yaml
new file mode 100644
index 0000000000..8b124fb120
--- /dev/null
+++ b/releasenotes/notes/port-vendor-ad30b76dc23efc38.yaml
@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    A new "vendor" field has been added to the Port object. This field is meant
+    to help distinguish between different types of Ports. Relevant to trait
+    based port scheduling feature.