Roger Lee Gregory is an American lawyer who serves as a United States circuit judge of the United States Court of Appeals for the Fourth Circuit.

The United States Court of Appeals for the Fourth Circuit is a federal court located in Richmond, Virginia, with appellate jurisdiction over the district courts in the following districts:District of Maryland Eastern District of North Carolina Middle District of North Carolina Western District of North Carolina District of South Carolina Eastern District of Virginia Western District of Virginia Northern District of West Virginia Southern District of West Virginia