AC3

AC3 or AC-3 may refer to:

Science and technology

 * Dolby AC-3, Dolby Digital audio codec
 * AC-3 algorithm (Arc Consistency Algorithm 3), one of a series of algorithms used for the solution of constraint satisfaction problems
 * (35414) 1998 AC3, a minor planet
 * AC-3, an IEC utilization category
 * Ambedkar Community Computing Center (AC3)

Transportation

 * Comte AC-3, a 1920s Swiss bomber/transport aircraft
 * Southern Pacific class AC-3, a class of steam locomotive

Video games

 * Ace Combat 3, part of the Ace Combat series of video games
 * Armored Core 3, part of the Armored Core series of video games
 * Assassin's Creed III, part of the Assassin's Creed series of video games

Other

 * Apple Campus 3, Apple's third large Silicon Valley campus