General

• Deadlocked jury, a hung jury
• Deadlocked vote, a split vote
• Deadlock, a situation in computing where two processes are each waiting for the other to finish
• Deadlock or deadbolt, a physical locking mechanism
• Deadlock (game theory), a type of game in game theory, where the action that is mutually most beneficial is also dominant
• Deadlock provision or deadlock resolution clause, a contractual clause in an agreement determining how disagreements are to be resolved

Literature, TV and film

• Deadlock (novel), a V.I. Warshawski detective novel by Sara Paretsky
• "Deadlock" (Voyager episode), an episode of Star Trek: Voyager
• Deadlock (comics), a character in the ABC Warriors comic series
• Deadlock (film), a 1970 film directed by Roland Klick

Music

• Deadlock (band), German Hard rock band
• Deadlock (metal band), German Metalcore band
• Deadlock (punk), Greek Hardcore punk band
• "Deadlock", a track from Soundtracks (Can album)

Computer games

• Deadlock: Planetary Conquest, computer game by Accolade
• Deadlock II: Shrine Wars, the sequel of Deadlock: Planetary Conquest
• Ratchet: Deadlocked, the fourth game in the Ratchet & Clank series