SWAC is an abbreviation for:
- Second Wind AC, Japanese Running Club
- South Western Athletic Conference, Sports League universities in the southwestern U.S.
- School with a Circus, Florida State University
- Sonny with a Chance ( German title: Sonny Munroe ), sitcom on the Disney Channel with Demi Lovato (2009-2011)
- Staunton, Waynesboro and Augusta County in the U.S. state of Virginia
- SWAC, a tube computer from 1950