TACC may refer to:
The 618th Air and Space Operations Center (Tanker Airlift Control Center), 618th AOC (TACC), a United States Air Force unit Texas Advanced Computing Center, a research center at the University of Texas at Austin Territorial Approach to Climate Change, a programme undertaken by the United Nations Territorial Army Commissioning Course, a three-week course run at the Royal Military Academy Sandhurst for officer cadets commissioning into the UK Army Reserve (formerly the Territorial Army) Tetraammine copper chlorate a colouring for fireworks Traffic Aware Cruise Control, an alternative name for Adaptive cruise control Turkish American Community Center, a non-profit organization in the Washington metropolitan area
See also TASS (), a Russian news agency