USAT may refer to:
*
USA Today, national daily newspaper
*
USIM Application Toolkit, a standard which enables the
USIM to initiate actions which can be used for various value-added services delivered to 3G mobile devices (USAT is the equivalent of
STK for 3G cellular networks)
*
United States Army Transport, a designation given to United States Army troop transports; the abbreviation is placed before the name of the ship
*
USA Triathlon, the national governing body for the multi-sport disciplines of triathlon, duathlon, aquathlon and winter triathlon in the United States
*
UNIQUE-SAT, a special case of the Boolean Satisfiability problem (Computer Science)
{{disambiguation