Similar to 労働者インターナショナルのための委員会

FIFO (computing and electronics)

File Transfer Protocol

FileMaker

Firth

North American FJ-1 Fury

Flettner Fl 265

Floating point operations per second

Functional magnetic resonance imaging

Forth (programming language)

Fortran

Field-programmable gate array

Microwave transmission

Free Pascal

Amal Movement

Communist Party of India (Marxist–Leninist) Liberation

Popular Front for the Liberation of Oman

Democratic Convergence of Catalonia

Thai Nation Party

National Socialist Movement (United States)

Social Action Party

Social Democratic Party (Portugal)

New Democracy (Greece)

Senegalese Democratic Party

PASOK

Timorese Social Democratic Association

Japan Communist Party (Marxist–Leninist)

Fretilin