The term Titan could refer to: * Titan, Saturn's largest moon * Titan II, a type of rocket or missile used on Earth during the 20th and 21st centuries * USS Titan, a Federation starship in the 24th century * The unknown race that created Armus, described by it as a "race of titans" It could also refer to: * Star Trek: Planet of the Titans, an early draft for the first Star Trek movie * Star Trek: Titan, a series of novels featuring the USS Titan * Titan Books and Titan Magazines, two publishing divisions of the Titan Publishing Group