Gridiron may refer to:
Sports and games Gridiron, the playing field for gridiron football Gridiron (card game), a football-themed collectible card game Gridiron!, 1986 sports video game developed by Bethesda Softworks GridIron Master, a board game
Organizations Gridiron (secret society), at the University of Georgia Gridiron Club, a journalistic organization in Washington, DC, USA The Gridiron Club (Oxford University), an undergraduate club founded in 1884
Arts and entertainment Gridiron (novel), a 1995 science fiction novel Captain Grid-Iron, a G.I. Joe character Grid Iron Theatre Company, in Scotland
Other uses Gridiron (cooking), a type of grill Gridiron, Sonora, a steamboat landing in Mexico Gridiron plan, in urban planning Gridiron deck, a working surface above a theater stage Gridiron pendulum, a clock part Operation Flight Gridiron, a World War II rescue operation