'''USAC''' may refer to: * Unified Speech and Audio Coding, an audio compression scheme * United States Army Cadet Corps, a non-profit youth education organization * United States Auto Club, a sanctioning body for auto racing in the United States * Universal Service Administrative Company, a not-for-profit corporation located in Washington, DC * Universidad de San Carlos de Guatemala, a University in Guatemala City, Guatemala * USA Cycling, or USAC, a governing body for bicycle racing in the United States * USA Cricket, a governing body for the sport of cricket in the United States * USA Climbing, a governing body for the sport of competition climbing in the United States * Utah State Agricultural College, now known as Utah State University, a school in Logan, Utah, USA
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