Brian Eugene "Lex" Luther[1] (born 1962)[2] is a rear admiral in the United States Navy.

Additionally, he has been assigned to the Assistant Secretary of the Navy (Financial Management and Comptroller) and the Chief of Naval Operations.

He commanded USS George H. W. Bush (CVN-77) for her maiden deployment where her crew earned the Battenberg Cup as the best all-around ship in the U.S. Atlantic fleet, the "Jig Dog" Ramage award for excellence in carrier operations, the Admiral Flatley Award, Battle "E" and Golden Anchor.

Prior to squadron command, his afloat tours included service as a pilot and air wing staff officer aboard various aircraft carriers on the east coast.

Ashore, Luther was introduced to the Pentagon as a Joint Staff intern (J6K) and watchstander in the National Military Command Center during Operation Desert Storm, followed by assignments as the tactical air analyst for the Director, Strike and Amphibious Warfare Division (OP-74) on the staff of the chief of naval operations and program analyst at the S-3 Class Desk, Naval Air Systems Command.