ACAT

Acat or ACAT may refer to:

Military

 * "Avoid, Control, Accept, or Transfer", a catchphrase used in Risk Management as taught in the US Department of Defense
 * Acquisition Category, a term from the US Department of Defense Instruction 5000.02 - Operation of the Defense Acquisition System; see Glossary of military modeling and simulation

Science

 * Acetyl-coenzyme A acetyltransferase, an enzyme
 * Acyl-CoA:cholesterol acyltransferase, an intracellular protein involved in cholesterol metabolism
 * ACAT1 mRNA, a messenger RNA molecule

Other uses

 * Acat (deity), a Mayan god of tattooing
 * International A-class catamaran ("A-Cat"), a type of sailing craft
 * Alberta Council on Admissions and Transfer, an educational organization
 * Automated Customer Account Transfer Service, a financial securities transfer system
 * Assistive context-aware toolkit, the open-source input method used by Stephen Hawking.