Doubleheader

Doubleheader or double header may refer to:
 * Doubleheader (baseball), two baseball games played between the same two teams on the same day
 * Doubleheader (television), a broadcast of two games back-to-back
 * Double heading, using two railway locomotives to pull a long or heavy train
 * A fish of the Wrasse family Coris bulbifrons
 * Double Header (Seattle), a gay bar in Seattle, United States
 * "Double Header", a story from The Railway Series story, "The Eight Famous Engines"
 * "Double Header", a 1994-1995 episode of the Ren & Stimpy Show