diff --git a/test/ao/sparsity/test_kernels.py b/test/ao/sparsity/test_kernels.py
index 6b5fc3aa56c7..3539eccd5e91 100644
--- a/test/ao/sparsity/test_kernels.py
+++ b/test/ao/sparsity/test_kernels.py
@@ -1,4 +1,6 @@
 # -*- coding: utf-8 -*-
+# Owner(s): ["module: unknown"]
+
 from torch.testing._internal.common_utils import run_tests
 
 import copy
diff --git a/test/ao/sparsity/test_parametrization.py b/test/ao/sparsity/test_parametrization.py
index 6eb18910e3bb..ebf964b3a3aa 100644
--- a/test/ao/sparsity/test_parametrization.py
+++ b/test/ao/sparsity/test_parametrization.py
@@ -1,4 +1,6 @@
 # -*- coding: utf-8 -*-
+# Owner(s): ["module: unknown"]
+
 
 import logging
 
diff --git a/test/ao/sparsity/test_pruner.py b/test/ao/sparsity/test_pruner.py
index 55364536b619..6a6a83d7fefb 100644
--- a/test/ao/sparsity/test_pruner.py
+++ b/test/ao/sparsity/test_pruner.py
@@ -1,4 +1,6 @@
 # -*- coding: utf-8 -*-
+# Owner(s): ["module: unknown"]
+
 
 import logging
 
diff --git a/test/ao/sparsity/test_scheduler.py b/test/ao/sparsity/test_scheduler.py
index 49c1c54066d0..eb2f27450b90 100644
--- a/test/ao/sparsity/test_scheduler.py
+++ b/test/ao/sparsity/test_scheduler.py
@@ -1,4 +1,6 @@
 # -*- coding: utf-8 -*-
+# Owner(s): ["module: unknown"]
+
 from torch import nn
 from torch.ao.sparsity import WeightNormSparsifier
 from torch.ao.sparsity import BaseScheduler, LambdaSL
diff --git a/test/ao/sparsity/test_sparsifier.py b/test/ao/sparsity/test_sparsifier.py
index 0fc989b747ef..263c17352286 100644
--- a/test/ao/sparsity/test_sparsifier.py
+++ b/test/ao/sparsity/test_sparsifier.py
@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+# Owner(s): ["module: unknown"]
 
 import itertools
 import logging
diff --git a/test/bottleneck_test/test.py b/test/bottleneck_test/test.py
index 30e2307a8a10..368d62e34d1c 100644
--- a/test/bottleneck_test/test.py
+++ b/test/bottleneck_test/test.py
@@ -1,3 +1,5 @@
+# Owner(s): ["module: unknown"]
+
 import torch
 
 x = torch.ones((3, 3), requires_grad=True)
diff --git a/test/bottleneck_test/test_args.py b/test/bottleneck_test/test_args.py
index cddb6a6401ea..6c00920841f8 100644
--- a/test/bottleneck_test/test_args.py
+++ b/test/bottleneck_test/test_args.py
@@ -1,3 +1,5 @@
+# Owner(s): ["module: unknown"]
+
 import argparse
 import torch
 
diff --git a/test/bottleneck_test/test_cuda.py b/test/bottleneck_test/test_cuda.py
index 60d2f4b1a0b4..1cf018f0241a 100644
--- a/test/bottleneck_test/test_cuda.py
+++ b/test/bottleneck_test/test_cuda.py
@@ -1,3 +1,5 @@
+# Owner(s): ["module: unknown"]
+
 import torch
 import torch.nn as nn
 
diff --git a/test/custom_backend/test_custom_backend.py b/test/custom_backend/test_custom_backend.py
index 2456080891a8..008008aaedcd 100644
--- a/test/custom_backend/test_custom_backend.py
+++ b/test/custom_backend/test_custom_backend.py
@@ -1,3 +1,5 @@
+# Owner(s): ["module: unknown"]
+
 import os
 import tempfile
 import torch
diff --git a/test/custom_operator/test_custom_classes.py b/test/custom_operator/test_custom_classes.py
index c67fa22ec76c..7d307c42a58a 100644
--- a/test/custom_operator/test_custom_classes.py
+++ b/test/custom_operator/test_custom_classes.py
@@ -1,3 +1,5 @@
+# Owner(s): ["module: unknown"]
+
 import unittest
 import torch
 from torch import ops
diff --git a/test/custom_operator/test_custom_ops.py b/test/custom_operator/test_custom_ops.py
index 356b4932d49a..b4e90dd4166e 100644
--- a/test/custom_operator/test_custom_ops.py
+++ b/test/custom_operator/test_custom_ops.py
@@ -1,3 +1,5 @@
+# Owner(s): ["module: unknown"]
+
 import os.path
 import tempfile
 
diff --git a/test/onnx/test_pytorch_onnx_caffe2_quantized.py b/test/onnx/test_pytorch_onnx_caffe2_quantized.py
index fded49ea74c5..b427b85a2b56 100644
--- a/test/onnx/test_pytorch_onnx_caffe2_quantized.py
+++ b/test/onnx/test_pytorch_onnx_caffe2_quantized.py
@@ -1,3 +1,5 @@
+# Owner(s): ["module: unknown"]
+
 import numpy as np
 import unittest
 import torch.onnx
diff --git a/test/test_ao_sparsity.py b/test/test_ao_sparsity.py
index c7aec4e8ed0c..d6a6e2de61c7 100644
--- a/test/test_ao_sparsity.py
+++ b/test/test_ao_sparsity.py
@@ -1,4 +1,6 @@
 # -*- coding: utf-8 -*-
+# Owner(s): ["module: unknown"]
+
 
 from torch.testing._internal.common_utils import run_tests
 
diff --git a/test/test_autocast.py b/test/test_autocast.py
index 4e9597c6d7d4..aed0c3496223 100644
--- a/test/test_autocast.py
+++ b/test/test_autocast.py
@@ -1,3 +1,5 @@
+# Owner(s): ["module: unknown"]
+
 import collections
 import torch
 from torch.testing._internal.common_utils import TestCase, run_tests
diff --git a/test/test_function_schema.py b/test/test_function_schema.py
index 7c7a0f77cb92..048ecf6464f5 100644
--- a/test/test_function_schema.py
+++ b/test/test_function_schema.py
@@ -1,3 +1,4 @@
+# Owner(s): ["module: unknown"]
 
 import torch
 from torch.testing._internal.common_utils import TestCase, run_tests
diff --git a/test/test_futures.py b/test/test_futures.py
index ee17f3846027..3537ea810d97 100644
--- a/test/test_futures.py
+++ b/test/test_futures.py
@@ -1,3 +1,5 @@
+# Owner(s): ["module: unknown"]
+
 import threading
 import time
 import torch
diff --git a/test/test_kernel_launch_checks.py b/test/test_kernel_launch_checks.py
index a7c928f01038..10479e7d13b1 100644
--- a/test/test_kernel_launch_checks.py
+++ b/test/test_kernel_launch_checks.py
@@ -1,3 +1,5 @@
+# Owner(s): ["module: unknown"]
+
 from torch.testing._internal.common_utils import TestCase, run_tests
 from torch.testing._internal.check_kernel_launches import (
     check_cuda_kernel_launches, check_code_for_cuda_kernel_launches
diff --git a/test/test_license.py b/test/test_license.py
index 204e7703f8d7..8ab45ba569f6 100644
--- a/test/test_license.py
+++ b/test/test_license.py
@@ -1,3 +1,5 @@
+# Owner(s): ["module: unknown"]
+
 import glob
 import io
 import os
diff --git a/test/test_logging.py b/test/test_logging.py
index 828657b4f8d5..4bb057fd157a 100644
--- a/test/test_logging.py
+++ b/test/test_logging.py
@@ -1,3 +1,5 @@
+# Owner(s): ["module: unknown"]
+
 import torch
 from torch.testing._internal.common_utils import TestCase, run_tests
 
diff --git a/test/test_model_dump.py b/test/test_model_dump.py
index f16473db1231..02d578c9e9e5 100644
--- a/test/test_model_dump.py
+++ b/test/test_model_dump.py
@@ -1,4 +1,6 @@
 #!/usr/bin/env python3
+# Owner(s): ["module: unknown"]
+
 import sys
 import os
 import io
diff --git a/test/test_namedtuple_return_api.py b/test/test_namedtuple_return_api.py
index 345431d5b250..d9b0c5ffe6cb 100644
--- a/test/test_namedtuple_return_api.py
+++ b/test/test_namedtuple_return_api.py
@@ -1,3 +1,5 @@
+# Owner(s): ["module: unknown"]
+
 import os
 import re
 import yaml
diff --git a/test/test_native_functions.py b/test/test_native_functions.py
index fb5500aeae9b..831998cbf6be 100644
--- a/test/test_native_functions.py
+++ b/test/test_native_functions.py
@@ -1,3 +1,5 @@
+# Owner(s): ["module: unknown"]
+
 from typing import Optional, List
 import torch
 from torch.testing._internal.common_utils import TestCase, run_tests
diff --git a/test/test_nnapi.py b/test/test_nnapi.py
index 763bf48383bc..680ad25609fd 100644
--- a/test/test_nnapi.py
+++ b/test/test_nnapi.py
@@ -1,4 +1,6 @@
 #!/usr/bin/env python3
+# Owner(s): ["module: unknown"]
+
 import os
 import ctypes
 import torch
diff --git a/test/test_numba_integration.py b/test/test_numba_integration.py
index 9dea5b9cfba2..b20806e869dc 100644
--- a/test/test_numba_integration.py
+++ b/test/test_numba_integration.py
@@ -1,3 +1,5 @@
+# Owner(s): ["module: unknown"]
+
 import unittest
 
 import torch.testing._internal.common_utils as common
diff --git a/test/test_openmp.py b/test/test_openmp.py
index 238c341151d0..f35ba4b1b091 100644
--- a/test/test_openmp.py
+++ b/test/test_openmp.py
@@ -1,3 +1,5 @@
+# Owner(s): ["module: unknown"]
+
 import collections
 import unittest
 
diff --git a/test/test_pruning_op.py b/test/test_pruning_op.py
index 97a499b03ac1..88e5a4e57be5 100644
--- a/test/test_pruning_op.py
+++ b/test/test_pruning_op.py
@@ -1,3 +1,4 @@
+# Owner(s): ["module: unknown"]
 
 import hypothesis.strategies as st
 from hypothesis import given
diff --git a/test/test_segment_reductions.py b/test/test_segment_reductions.py
index 4df4ce57ab19..e9a295ab1d7b 100644
--- a/test/test_segment_reductions.py
+++ b/test/test_segment_reductions.py
@@ -1,3 +1,5 @@
+# Owner(s): ["module: unknown"]
+
 from itertools import product
 
 import numpy as np
diff --git a/test/test_set_default_mobile_cpu_allocator.py b/test/test_set_default_mobile_cpu_allocator.py
index cb2938ab4e31..29dea32f5a88 100644
--- a/test/test_set_default_mobile_cpu_allocator.py
+++ b/test/test_set_default_mobile_cpu_allocator.py
@@ -1,3 +1,5 @@
+# Owner(s): ["module: unknown"]
+
 import torch
 from torch.testing._internal.common_utils import TestCase, run_tests
 
diff --git a/test/test_show_pickle.py b/test/test_show_pickle.py
index 79a558cbe51c..50b90de1ae16 100644
--- a/test/test_show_pickle.py
+++ b/test/test_show_pickle.py
@@ -1,3 +1,5 @@
+# Owner(s): ["module: unknown"]
+
 import unittest
 import io
 import tempfile
diff --git a/test/test_static_runtime.py b/test/test_static_runtime.py
index 3d539514f27c..203216ecb02b 100644
--- a/test/test_static_runtime.py
+++ b/test/test_static_runtime.py
@@ -1,3 +1,5 @@
+# Owner(s): ["module: unknown"]
+
 import unittest
 from typing import Dict, Optional
 
diff --git a/test/test_tensorboard.py b/test/test_tensorboard.py
index d6f5b728049b..4300e9a71006 100644
--- a/test/test_tensorboard.py
+++ b/test/test_tensorboard.py
@@ -1,3 +1,5 @@
+# Owner(s): ["module: unknown"]
+
 import io
 import numpy as np
 import os
diff --git a/test/test_throughput_benchmark.py b/test/test_throughput_benchmark.py
index 139ca0c4cc55..75003c9fa2f8 100644
--- a/test/test_throughput_benchmark.py
+++ b/test/test_throughput_benchmark.py
@@ -1,3 +1,4 @@
+# Owner(s): ["module: unknown"]
 
 import torch
 from torch.utils import ThroughputBenchmark
diff --git a/test/test_xnnpack_integration.py b/test/test_xnnpack_integration.py
index a0f8328ec660..918282a40fd4 100644
--- a/test/test_xnnpack_integration.py
+++ b/test/test_xnnpack_integration.py
@@ -1,3 +1,5 @@
+# Owner(s): ["module: unknown"]
+
 import unittest
 
 import torch