FSM
FSM most often denotes a finite state machine in computer science, while in education it can mean free school meals, in business a field service manager, and historically the Free Speech Movement.
Miscellaneous
Fry Sailor Moon
Fine Scale Modeler
Fred Savage Mafia
Free Space Map
Flying Scale Models
Flying Sphagetti Monster
Flat Sorting Machine
Flying Spaghetti Monster
Finite State Machines
Fortuna Silver Mines
Film Score Monthly
Food Surplus Management
Fabryka Samochodów Małolitrażowych
File Server Module
Fuel Shutoff Module
Fourth State of Matter
Community
Governmental
Flight Simulation Monitor
Flight Synchronizer Module
Flight Schedule Monitor
Free Speech Movement
Fuel Supply Module
International
Academic & Science
Regional
Computing
Farandole Composer WaveSample Music format
Font Scaling Manager
Firmware Support Manual
Fixed String Mode
Field Service Manager
Fold, Spindle, and Mutilate
Free Software Movement
Internet
Business
Federated System Manager
Factory Service Manual
Field Staff Member
Foodarama Supermarkets, Inc.
Bnp Ftse
Field Service Management