AC-4 or AC4 may refer to:
Music
edit- AC4 (band), a Swedish hardcore punk band, or their eponymous album
Vehicles
editAircraft
edit- Light Wing AC4, an aircraft
- Aviastroitel AC-4 Russia, glider
- Comte AC-4, a two-seat Swiss monoplane
Ships
edit- USS Cyclops (AC-4), a US Navy collier ship
Trains
edit- Southern Pacific class AC-4, a class of steam locomotive
Tanks
edit- AC4 tank a World War Two Australian cruiser tank.
Technology
edit- AC-4, an IEC Utilization Category
- Dolby AC-4, Dolby Digital audio codec
Videogames
edit- Ace Combat 04: Shattered Skies, a 2001 video game
- Armored Core 4, a 2006 video game
- Assassin's Creed IV: Black Flag, a 2013 video game
See also
edit- All pages with titles beginning with AC-4
- All pages with titles containing AC-4
- All pages with titles containing ac4
- AC (disambiguation)