Corinth IV is a Federation member planet located in the Beta Quadrant. In the 2260s, Corinth IV was the location of a Starfleet starbase and was commanded by José Dominguez. In 2266, the USS Enterprise was due to visit Corinth IV following its mission to M-113. (TOS episode: "The Man Trap") The Federation starship USS Corinth IV was named for this planet.