diff --git a/python/pyspark/sql/connect/dataframe.py b/python/pyspark/sql/connect/dataframe.py
index 6fabab69cf53..b2276c249f6d 100644
--- a/python/pyspark/sql/connect/dataframe.py
+++ b/python/pyspark/sql/connect/dataframe.py
@@ -1109,6 +1109,15 @@ def writeStream(self, *args: Any, **kwargs: Any) -> None:
     def toJSON(self, *args: Any, **kwargs: Any) -> None:
         raise NotImplementedError("toJSON() is not implemented.")
 
+    def _repr_html_(self, *args: Any, **kwargs: Any) -> None:
+        raise NotImplementedError("_repr_html_() is not implemented.")
+
+    def semanticHash(self, *args: Any, **kwargs: Any) -> None:
+        raise NotImplementedError("semanticHash() is not implemented.")
+
+    def sameSemantics(self, *args: Any, **kwargs: Any) -> None:
+        raise NotImplementedError("sameSemantics() is not implemented.")
+
 
 class DataFrameNaFunctions:
     """Functionality for working with missing data in :class:`DataFrame`.
diff --git a/python/pyspark/sql/tests/connect/test_connect_plan_only.py b/python/pyspark/sql/tests/connect/test_connect_plan_only.py
index 4d9ee04bf3d2..109702af7e87 100644
--- a/python/pyspark/sql/tests/connect/test_connect_plan_only.py
+++ b/python/pyspark/sql/tests/connect/test_connect_plan_only.py
@@ -328,6 +328,9 @@ def test_unsupported_functions(self):
             "toLocalIterator",
             "checkpoint",
             "localCheckpoint",
+            "_repr_html_",
+            "semanticHash",
+            "sameSemantics",
         ):
             with self.assertRaises(NotImplementedError):
                 getattr(df, f)()