Gridlock is the inability to move on a transport network.

Gridlock may also refer to:

• Gridlock (politics), a situation when the government is unable to act or pass laws because rival parties control different parts of the executive branch and the legislature.
• Gridlock (novel), a novel by Ben Elton
• Gridlock (band), an electronic music band
• Gridlock (game show), a 1990s game show in Ireland
• Gridlock (board game)
• "Gridlock", a song by The Pogues from the album Peace and Love
• "Gridlock", a song by Anthrax from the album Persistence of Time
• "Gridlock!", a song by Electric Six from the album Heartbeats and Brainwaves
• Gridlock, a 1996 TV movie starring David Hasselhoff
• Gridlock'd, a 1997 film
• "Gridlock" (Doctor Who), an episode of Doctor Who
• "Gridlock", a music video by Angry Kid
• Gridlock (film), a 1980 film
• Gridlock!, a pricing game on the game show The Price Is Right
• Gridlock, a fictional character from the video game Rainbow Six Siege