Blow up, Blow-up or Blowup may refer to:

Explosion Total body disruption, a cause of death typically associated with explosion An inflatable Blowing up, a mathematical operation Blowup, a 1966 film by Michelangelo Antonioni "Blow-Up" (short story), a short story by Julio Cortázar Blow-up and Other Stories, a short story collection by Julio Cortázar Blow Up (magazine), an Italy-based music magazine Blow Up (Dutch TV series) Blow Up (Australian TV series), Australian adaptation of the Dutch television series Blow Up (web series)

Music Blow Up (band), a British indie band Blow Up (club), a nightclub in Munich, established in 1967 Blow Up (club night), a club night in London, established in 1993 Blow Up (Bobby Hutcherson album), 1969 Blow Up (The Smithereens album), 1991 Blow-Up (soundtrack), an album by Herbie Hancock, featuring music composed for the 1966 film Blow Up (EP), a 2004 EP by The Presets Blow Up, an album by Bomba Estéreo Blow Up Records, a UK record label Blow Up, a song by Devo from the album "Total Devo" Blow Up, a song by Sammy Adams

See also Enlarger Image scaling Blow Out, a 1981 film by Brian De Palma