FJS may refer to:

Fallskärmsjägarskolan (FJS), the Swedish Parachute Ranger School French Japanese Society for fine and medicinal chemistry Fajar Secondary School (FJS), in Bukit Panjang, Singapore FJ-S Cruiser Concept, a concept version of the Toyota FJ Cruiser FJS-1, a type of lunar regolith simulant FJS, airline code for Florida Jet Service Federación Juvenil Socialista (FJS), Chilean socialist party joined by revolutionary Miguel Enríquez Federación de Juventudes Socialistas (FJS), one of the original parties consolidated into the Communist Party of Spain Franz Josef Strauss, West German politician (1915-1988)

See also FJ (disambiguation)