The Halifax Explosion was a disaster caused by an accidental munitions explosion in 1917 in Halifax Harbour, Nova Scotia.

Halifax Explosion may also refer to: Halifax Explosion Memorial Sculpture, a sculpture erected in memoriam of the disaster in 1966, decommissioned in 2004 Halifax Explosion (drink) or Rev-Bomb, introduced 2000, a cocktail Halifax Pop Explosion, started in 1993, an annual music festival

See also Shattered City: The Halifax Explosion, a 2003 TV miniseries on the disaster Shattered City: The Halifax Explosion and the Road to Recovery, a 1989 book on the disaster