Reggie Barnett Walton is a senior United States district judge of the United States District Court for the District of Columbia. He is a former presiding judge of the Foreign Intelligence Surveillance Court.

The United States District Court for the District of Columbia is a federal district court in Washington, D.C. Along with the United States District Court for the District of Hawaii and the High Court of American Samoa, it also sometimes handles federal issues that arise in the territory of American Samoa, which has no local federal court or territorial court.