FAT may mean:

• Factory acceptance test (see Acceptance test), a software engineering concept
• Far Eastern Air Transport, an airline of the Republic of China on Taiwan
• File Allocation Table, a file system format used by Microsoft operating systems
• Forces Armées Tchadiennes, the Chad armed forces of the government of President Félix Malloum
• Frente Auténtico del Trabajo, a Mexican labor confederation
• Fresno Yosemite International Airport (IATA airport code)
• Fully Automatic Time, automatic-sensored method of recording race times during running events

See also

• Fat, a generic term for a class of lipids in biochemistry
  • Fat tissue or adipose tissue
  • Fatness or obesity

Fad | FAT | Fat | FAT | Fat | Fat