diff --git a/openedx/core/djangoapps/content_libraries/models.py b/openedx/core/djangoapps/content_libraries/models.py
index 843b95cc2b..c4bd7e6f9a 100644
--- a/openedx/core/djangoapps/content_libraries/models.py
+++ b/openedx/core/djangoapps/content_libraries/models.py
@@ -36,8 +36,9 @@ from __future__ import annotations
 
 import contextlib
 import logging
-from typing import ClassVar
 import uuid
+import warnings
+from typing import ClassVar
 
 from django.contrib.auth import get_user_model
 from django.contrib.auth.models import Group
@@ -65,6 +66,15 @@ from .apps import ContentLibrariesConfig
 
 log = logging.getLogger(__name__)
 
+
+warnings.warn(
+    (
+        "ContentLibraryPermission model and related content library authorization "
+        "APIs are deprecated. See https://github.com/openedx/openedx-platform/issues/37409."
+    ),
+    DeprecationWarning
+)
+
 User = get_user_model()
 
 
@@ -187,6 +197,8 @@ class ContentLibraryPermission(models.Model):
     """
     Row recording permissions for a content library
 
+    Deprecated https://github.com/openedx/openedx-platform/issues/37409.
+
     .. no_pii:
     """
     library = models.ForeignKey(ContentLibrary, on_delete=models.CASCADE, related_name="permission_grants")
diff --git a/openedx/core/djangoapps/content_libraries/rest_api/libraries.py b/openedx/core/djangoapps/content_libraries/rest_api/libraries.py
index c407d64930..0485c7c8ed 100644
--- a/openedx/core/djangoapps/content_libraries/rest_api/libraries.py
+++ b/openedx/core/djangoapps/content_libraries/rest_api/libraries.py
@@ -65,6 +65,7 @@ the api module instead.
 import itertools
 import json
 import logging
+import warnings
 
 import edx_api_doc_tools as apidocs
 from django.conf import settings
@@ -136,6 +137,15 @@ User = get_user_model()
 log = logging.getLogger(__name__)
 
 
+warnings.warn(
+    (
+        "Content library team authorization REST APIs are deprecated. "
+        "See https://github.com/openedx/openedx-platform/issues/37409."
+    ),
+    DeprecationWarning
+)
+
+
 class LibraryApiPaginationDocs:
     """
     API docs for query params related to paginating ContentLibraryMetadata objects.
@@ -323,6 +333,8 @@ class LibraryTeamView(APIView):
 
     Note also the 'allow_public_' settings which can be edited by PATCHing the
     library itself (LibraryDetailsView.patch).
+
+    Deprecated https://github.com/openedx/openedx-platform/issues/37409
     """
     @convert_exceptions
     def post(self, request, lib_key_str):
@@ -369,6 +381,8 @@ class LibraryTeamUserView(APIView):
     """
     View to add/remove/edit an individual user's permissions for a content
     library.
+
+    Deprecated https://github.com/openedx/openedx-platform/issues/37409
     """
     @convert_exceptions
     def put(self, request, lib_key_str, username):
@@ -422,6 +436,8 @@ class LibraryTeamUserView(APIView):
 class LibraryTeamGroupView(APIView):
     """
     View to add/remove/edit a group's permissions for a content library.
+
+    Deprecated https://github.com/openedx/openedx-platform/issues/37409
     """
     @convert_exceptions
     def put(self, request, lib_key_str, group_name):