CATC

CATC may refer to:


 * Carnitine O-acetyltransferase, an enzyme
 * Catapult C, a electronic design automation product
 * CATC Design School, in Australia
 * Central Arkansas Telephone Cooperative
 * Civil Aviation Technology College, Iran
 * Civil Aviation Training Center, Iran
 * College of Air Traffic Control, in the United Kingdom
 * Combined Arms Training Centre, of the Australian Army
 * Confédération africaine des travailleurs croyants (disambiguation), various trade unions in Africa