Lockjaw can refer to:

Medical conditions and diseases

  • Trismus, a pathological condition in which the mouth is held shut by sustained spasm of the masseter (jaw) muscle, often observed in cases of tetanus
  • Tetanus, an infectious disease of the central nervous system
  • Temporomandibular joint dysfunction or TMD, often erroneously called TMJ

Music

  • Eddie "Lockjaw" Davis, American jazz saxophonist
  • Lockjaw (band), an English punk band from the 1970s
  • Lockjaw (album), a 1995 album by Dance Hall Crashers
  • Lockjaw (EP), a 2013 EP by Flume and Chet Faker
  • "Lockjaw" (song), a 2016 song by American hip hop artist French Montana and Kodak Black
  • "Lockjaw", a track which features American rapper Trunks and appears on the King Geedorah album Take Me to Your Leader
  • "Lockjaw", a track from the album Mack Daddy by Sir Mix-a-Lot

Other uses

  • Lockjaw (character), a character from Marvel Comics' Inhumans
  • Locust Valley Lockjaw, an upper-class American accent
  • Steven J. Lockjaw, a character from One Battle After Another
  • Lochjaw, a 1982 video game by Games by Apollo later renamed to Shark Attack