diff --git a/.changes/next-release/enhancement-s3-1285.json b/.changes/next-release/enhancement-s3-1285.json
new file mode 100644
index 00000000..97406754
--- /dev/null
+++ b/.changes/next-release/enhancement-s3-1285.json
@@ -0,0 +1,5 @@
+{
+  "category": "s3", 
+  "type": "enhancement", 
+  "description": "Add support for ``ExpectedBucketOwner``. Fixes `#181 <https://github.com/boto/s3transfer/issues/181>`__."
+}
diff --git a/s3transfer/constants.py b/s3transfer/constants.py
index 01ef9101..b760643e 100644
--- a/s3transfer/constants.py
+++ b/s3transfer/constants.py
@@ -23,6 +23,7 @@
     'SSECustomerKey',
     'SSECustomerKeyMD5',
     'RequestPayer',
+    'ExpectedBucketOwner',
 ]
 
 USER_AGENT = 's3transfer/%s' % s3transfer.__version__
diff --git a/s3transfer/copies.py b/s3transfer/copies.py
index 625e1995..4b4086c2 100644
--- a/s3transfer/copies.py
+++ b/s3transfer/copies.py
@@ -34,7 +34,8 @@ class CopySubmissionTask(SubmissionTask):
         'CopySourceSSECustomerKey': 'SSECustomerKey',
         'CopySourceSSECustomerAlgorithm': 'SSECustomerAlgorithm',
         'CopySourceSSECustomerKeyMD5': 'SSECustomerKeyMD5',
-        'RequestPayer': 'RequestPayer'
+        'RequestPayer': 'RequestPayer',
+        'ExpectedBucketOwner': 'ExpectedBucketOwner'
     }
 
     UPLOAD_PART_COPY_ARGS = [
@@ -49,6 +50,7 @@ class CopySubmissionTask(SubmissionTask):
         'SSECustomerAlgorithm',
         'SSECustomerKeyMD5',
         'RequestPayer',
+        'ExpectedBucketOwner'
     ]
 
     CREATE_MULTIPART_ARGS_BLACKLIST = [
@@ -64,7 +66,8 @@ class CopySubmissionTask(SubmissionTask):
     ]
 
     COMPLETE_MULTIPART_ARGS = [
-        'RequestPayer'
+        'RequestPayer',
+        'ExpectedBucketOwner'
     ]
 
     def _submit(self, client, config, osutil, request_executor,
diff --git a/s3transfer/manager.py b/s3transfer/manager.py
index 842e6833..c6e6eb47 100644
--- a/s3transfer/manager.py
+++ b/s3transfer/manager.py
@@ -165,6 +165,7 @@ class TransferManager(object):
         'ContentEncoding',
         'ContentLanguage',
         'ContentType',
+        'ExpectedBucketOwner',
         'Expires',
         'GrantFullControl',
         'GrantRead',
@@ -199,6 +200,7 @@ class TransferManager(object):
         'MFA',
         'VersionId',
         'RequestPayer',
+        'ExpectedBucketOwner'
     ]
 
     VALIDATE_SUPPORTED_BUCKET_VALUES = True
diff --git a/s3transfer/upload.py b/s3transfer/upload.py
index e333a7e9..27451e5e 100644
--- a/s3transfer/upload.py
+++ b/s3transfer/upload.py
@@ -490,10 +490,12 @@ class UploadSubmissionTask(SubmissionTask):
         'SSECustomerAlgorithm',
         'SSECustomerKeyMD5',
         'RequestPayer',
+        'ExpectedBucketOwner'
     ]
 
     COMPLETE_MULTIPART_ARGS = [
-        'RequestPayer'
+        'RequestPayer',
+        'ExpectedBucketOwner'
     ]
 
     def _get_upload_input_manager_cls(self, transfer_future):