diff --git a/superset-frontend/src/pages/DatasetList/index.tsx b/superset-frontend/src/pages/DatasetList/index.tsx
index 9828ceab7e4..3f5ae5f17c0 100644
--- a/superset-frontend/src/pages/DatasetList/index.tsx
+++ b/superset-frontend/src/pages/DatasetList/index.tsx
@@ -1016,17 +1016,18 @@ const DatasetList: FunctionComponent<DatasetListProps> = ({
       );
     }
 
-    Promise.all(promises).then(
-      () => {
-        refreshData();
+    Promise.allSettled(promises).then(results => {
+      const failures = results.filter(r => r.status === 'rejected');
+      // Always refresh so the list reflects whatever actually got deleted.
+      refreshData();
+      if (failures.length === 0) {
         addSuccessToast(t('Deleted %s item(s)', datasetsToDelete.length));
-      },
-      createErrorHandler(errMsg =>
+      } else {
         addDangerToast(
-          t('There was an issue deleting the selected datasets: %s', errMsg),
-        ),
-      ),
-    );
+          t('There was an issue deleting the selected items'),
+        );
+      }
+    });
   };
 
   const handleDatasetDuplicate = (newDatasetName: string) => {
diff --git a/superset/commands/semantic_layer/delete.py b/superset/commands/semantic_layer/delete.py
index bdc13502f4d..0093be42514 100644
--- a/superset/commands/semantic_layer/delete.py
+++ b/superset/commands/semantic_layer/delete.py
@@ -21,14 +21,17 @@ from functools import partial
 
 from sqlalchemy.exc import SQLAlchemyError
 
+from superset import security_manager
 from superset.commands.base import BaseCommand
 from superset.commands.semantic_layer.exceptions import (
     SemanticLayerDeleteFailedError,
     SemanticLayerNotFoundError,
     SemanticViewDeleteFailedError,
+    SemanticViewForbiddenError,
     SemanticViewNotFoundError,
 )
 from superset.daos.semantic_layer import SemanticLayerDAO, SemanticViewDAO
+from superset.exceptions import SupersetSecurityException
 from superset.semantic_layers.models import SemanticLayer, SemanticView
 from superset.utils.decorators import on_error, transaction
 
@@ -79,6 +82,10 @@ class DeleteSemanticViewCommand(BaseCommand):
         self._model = SemanticViewDAO.find_by_id(self._pk, id_column="id")
         if not self._model:
             raise SemanticViewNotFoundError()
+        try:
+            security_manager.raise_for_ownership(self._model)
+        except SupersetSecurityException as ex:
+            raise SemanticViewForbiddenError() from ex
 
 
 class BulkDeleteSemanticViewCommand(BaseCommand):
@@ -101,3 +108,8 @@ class BulkDeleteSemanticViewCommand(BaseCommand):
         self._models = SemanticViewDAO.find_by_ids(self._model_ids, id_column="id")
         if len(self._models) != len(self._model_ids):
             raise SemanticViewNotFoundError()
+        for model in self._models:
+            try:
+                security_manager.raise_for_ownership(model)
+            except SupersetSecurityException as ex:
+                raise SemanticViewForbiddenError() from ex
diff --git a/superset/semantic_layers/api.py b/superset/semantic_layers/api.py
index b1935065b27..b5d5bdc6bf2 100644
--- a/superset/semantic_layers/api.py
+++ b/superset/semantic_layers/api.py
@@ -362,6 +362,8 @@ class SemanticViewRestApi(BaseSupersetModelRestApi):
             return self.response(200, message="OK")
         except SemanticViewNotFoundError:
             return self.response_404()
+        except SemanticViewForbiddenError:
+            return self.response_403()
         except SemanticViewDeleteFailedError as ex:
             logger.error(
                 "Error deleting semantic view: %s",
@@ -422,6 +424,8 @@ class SemanticViewRestApi(BaseSupersetModelRestApi):
             )
         except SemanticViewNotFoundError:
             return self.response_404()
+        except SemanticViewForbiddenError:
+            return self.response_403()
         except SemanticViewDeleteFailedError as ex:
             logger.error(
                 "Error bulk deleting semantic views: %s",
diff --git a/tests/unit_tests/commands/semantic_layer/delete_test.py b/tests/unit_tests/commands/semantic_layer/delete_test.py
index 36f39895eb1..e5b6e5e8549 100644
--- a/tests/unit_tests/commands/semantic_layer/delete_test.py
+++ b/tests/unit_tests/commands/semantic_layer/delete_test.py
@@ -59,6 +59,11 @@ def test_delete_semantic_view_success(mocker: MockerFixture) -> None:
     )
     dao.find_by_id.return_value = mock_model
 
+    # Admin is owner of everything — no exception raised
+    mocker.patch(
+        "superset.commands.semantic_layer.delete.security_manager"
+    ).raise_for_ownership.return_value = None
+
     from superset.commands.semantic_layer.delete import DeleteSemanticViewCommand
 
     DeleteSemanticViewCommand(42).run()
@@ -67,6 +72,26 @@ def test_delete_semantic_view_success(mocker: MockerFixture) -> None:
     dao.delete.assert_called_once_with([mock_model])
 
 
+def test_delete_semantic_view_forbidden(mocker: MockerFixture) -> None:
+    """Test that SemanticViewForbiddenError is raised for non-owners."""
+    from superset.commands.semantic_layer.delete import DeleteSemanticViewCommand
+    from superset.commands.semantic_layer.exceptions import SemanticViewForbiddenError
+    from superset.exceptions import SupersetSecurityException
+
+    dao = mocker.patch(
+        "superset.commands.semantic_layer.delete.SemanticViewDAO",
+    )
+    dao.find_by_id.return_value = MagicMock()
+
+    mocker.patch(
+        "superset.security_manager.raise_for_ownership",
+        side_effect=SupersetSecurityException(MagicMock()),
+    )
+
+    with pytest.raises(SemanticViewForbiddenError):
+        DeleteSemanticViewCommand(42).run()
+
+
 def test_delete_semantic_view_not_found(mocker: MockerFixture) -> None:
     """Test that SemanticViewNotFoundError is raised when view is missing."""
     dao = mocker.patch(
@@ -92,6 +117,10 @@ def test_bulk_delete_semantic_view_success(mocker: MockerFixture) -> None:
     )
     dao.find_by_ids.return_value = mock_models
 
+    mocker.patch(
+        "superset.commands.semantic_layer.delete.security_manager"
+    ).raise_for_ownership.return_value = None
+
     from superset.commands.semantic_layer.delete import BulkDeleteSemanticViewCommand
 
     BulkDeleteSemanticViewCommand([1, 2]).run()
@@ -100,6 +129,26 @@ def test_bulk_delete_semantic_view_success(mocker: MockerFixture) -> None:
     dao.delete.assert_called_once_with(mock_models)
 
 
+def test_bulk_delete_semantic_view_forbidden(mocker: MockerFixture) -> None:
+    """Test that SemanticViewForbiddenError is raised for non-owners."""
+    from superset.commands.semantic_layer.delete import BulkDeleteSemanticViewCommand
+    from superset.commands.semantic_layer.exceptions import SemanticViewForbiddenError
+    from superset.exceptions import SupersetSecurityException
+
+    dao = mocker.patch(
+        "superset.commands.semantic_layer.delete.SemanticViewDAO",
+    )
+    dao.find_by_ids.return_value = [MagicMock(), MagicMock()]
+
+    mocker.patch(
+        "superset.security_manager.raise_for_ownership",
+        side_effect=SupersetSecurityException(MagicMock()),
+    )
+
+    with pytest.raises(SemanticViewForbiddenError):
+        BulkDeleteSemanticViewCommand([1, 2]).run()
+
+
 def test_bulk_delete_semantic_view_not_found(mocker: MockerFixture) -> None:
     """Test that SemanticViewNotFoundError is raised when any id is missing."""
     dao = mocker.patch(
diff --git a/tests/unit_tests/semantic_layers/api_test.py b/tests/unit_tests/semantic_layers/api_test.py
index 5dfcb6e25e6..f7acfb47e34 100644
--- a/tests/unit_tests/semantic_layers/api_test.py
+++ b/tests/unit_tests/semantic_layers/api_test.py
@@ -1907,7 +1907,7 @@ def test_get_views_exception(
     )
 
     assert response.status_code == 400
-    assert "Connection failed" in response.json["message"]
+    assert "Unable to fetch semantic views" in response.json["message"]
 
 
 @SEMANTIC_LAYERS_APP