Fast
Fast may refer to:
- Fasting, abstaining from food
- Nacional Fast Clube, a Brazilian football club
- A speed racing for dirt horse racing tracks
FAST may stand for:
- Federation Against Software Theft, a UK organization that pursues those who illegally distribute software
- Firefighter Assist and Search Team, a team of firefighters dedicated the rescue of other firefighters
- Foundation for Advancement of Science and Technology, Pakistan
- Fast Search & Transfer, a Norwegian company focusing on data search technologies
- Fleet Antiterrorism Security Team, a branch of the United States Marine Corps
- Farpoint Asteroid Search Team, an asteriod search team located at the Farpoint Observatory
- Fast Auroral Snapshot Explorer, one in the series of NASA's Small Explorer spacecraft
- Focused assessment with sonography for trauma, an ultrasound used to examine the abdomen of a trauma patient
- The NASDAQ symbol for Fastenal Company
- Five hundred meter Aperture Spherical Telescope, the world's largest single-dish radio telescope (China)
- Facial Affect Scoring Technique, a system devised to help researchers identify the facial expressions that typically accompany certain emotions
- Free and Secure Trade, a Canada-United States program to facilitate faster cross border trade
- FIX Adapted for STreaming, an adaptation of the FIX protocol, optimised for streaming.