"Face, Arm, Speech, Time", a mnemonic sequence designed to help people memorize the symptoms of a stroke

Fasting, abstaining from food

Flexible Architecture for Simulation and Testing, a Stanford project for prototyping novel computer architecture ideas

Fast Search & Transfer, a Norwegian company focusing on data search technologies

The NASDAQ symbol for Fastenal company

A speed racing for dirt horse racing tracks

Functional Analysis System Technique, (FAST) a method used in Value Engineering to identify the important functions of an acquisition; usually prepared as a FAST diagram[1].

Fifteen And Send Time, a type of dog agility competition

Nacional Fast Clube, a Brazilian football club

Fast Product, a record label

Firefighter Assist and Search Team, a team of firefighters dedicated the rescue of other firefighters

Fleet Antiterrorism Security Team, a branch of the United States Marine Corps

Focused assessment with sonography for trauma, an ultrasound used to examine the abdomen of a trauma patient

Foundation for Advancement of Science and Technology, Pakistan

"Fast", an album by the musician Custom

Farnborough Air Sciences Trust

Federation Against Software Theft, a UK organization that pursues those who illegally distribute software

FAST protocol, an adaptation of the FIX protocol, optimized for streaming

Free and Secure Trade, a Canada-United States program to facilitate faster cross border trade

Farpoint Asteroid Search Team, an asteroid search team located at the Farpoint Observatory

Fast Auroral Snapshot Explorer, one in the series of NASA's Small Explorer spacecraft

ATSF may stand for: Atchison, Topeka and Santa Fe Railway Avion de Transport Supersonique Futur (aka FAST), unrealized concept for Concorde successor...

Five hundred meter Aperture Spherical Telescope, the world's largest single-dish radio telescope (China)