@@ -235,15 +235,22 @@ def feast_value_type_to_python_type(
     if val_attr in ("uuid_val", "time_uuid_val"):
         return uuid_module.UUID(val) if isinstance(val, str) else val
     if val_attr in ("uuid_list_val", "time_uuid_list_val"):
-        return [uuid_module.UUID(v) if isinstance(v, str) else v for v in val]
+        # None elements are stored as "" (see _LIST_NONE_DEFAULTS)
+        return [
+            None if v == "" else uuid_module.UUID(v) if isinstance(v, str) else v
+            for v in val
+        ]
     if val_attr in ("uuid_set_val", "time_uuid_set_val"):
         return {uuid_module.UUID(v) if isinstance(v, str) else v for v in val}
 
     # Convert DECIMAL values to decimal.Decimal objects
     if val_attr == "decimal_val":
         return decimal.Decimal(val) if isinstance(val, str) else val
     if val_attr == "decimal_list_val":
-        return [decimal.Decimal(v) if isinstance(v, str) else v for v in val]
+        return [
+            None if v == "" else decimal.Decimal(v) if isinstance(v, str) else v
+            for v in val
+        ]
     if val_attr == "decimal_set_val":
         return {decimal.Decimal(v) if isinstance(v, str) else v for v in val}
 
 
@@ -1630,6 +1630,24 @@ def test_time_uuid_object_list_roundtrip(self):
         assert all(isinstance(r, uuid.UUID) for r in result)
         assert result == test_uuids
 
+    def test_uuid_list_with_none_roundtrip(self):
+        """None elements in a UUID list are read back as None."""
+        test_uuid = uuid.uuid4()
+        protos = python_values_to_proto_values(
+            [[None, test_uuid, None]], ValueType.UUID_LIST
+        )
+        result = feast_value_type_to_python_type(protos[0])
+        assert result == [None, test_uuid, None]
+
+    def test_time_uuid_list_with_none_roundtrip(self):
+        """None elements in a TIME_UUID list are read back as None."""
+        test_uuid = uuid.uuid1()
+        protos = python_values_to_proto_values(
+            [[test_uuid, None]], ValueType.TIME_UUID_LIST
+        )
+        result = feast_value_type_to_python_type(protos[0])
+        assert result == [test_uuid, None]
+
     def test_uuid_set_roundtrip(self):
         """UUID set -> proto -> set of uuid.UUID objects roundtrip."""
         test_uuids = {uuid.uuid4(), uuid.uuid4(), uuid.uuid4()}
@@ -1760,6 +1778,17 @@ def test_decimal_object_list_roundtrip(self):
         assert all(isinstance(r, decimal.Decimal) for r in result)
         assert result == vals
 
+    def test_decimal_list_with_none_roundtrip(self):
+        """None elements in a DECIMAL_LIST are read back as None."""
+        import decimal
+
+        val = decimal.Decimal("1.5")
+        protos = python_values_to_proto_values(
+            [[None, val, None]], ValueType.DECIMAL_LIST
+        )
+        result = feast_value_type_to_python_type(protos[0])
+        assert result == [None, val, None]
+
     def test_decimal_set_roundtrip(self):
         """DECIMAL_SET -> proto -> set of decimal.Decimal roundtrip."""
         import decimal