The USS Billy Bishop was a Philadelphia-class Federation starship in Starfleet service in the 23rd century commanded by Marta Eliza Harding in the 2260s. It was named in honor of Canadian William Avery Bishop, a pilot during Earth's First World War

In 2269, the Billy Bishop's mission was to patrol the border of the Klingon Neutral Zone. (TOS video game: Judgment Rites)