SSF
- Joker Out
- Portable Sound Format
- Samajtantrik Sramik Front
- Schweizer Sportfernsehen
- Semi-solid forming
- Shakespeare Schools Foundation
- Shortest seek first
- Singapore Sailing Federation
- Single-stock futures
- Skysurfer Strike Force
- Small shelly fauna
- Society of Saint Francis
- Soul Sonic Force
- South San Francisco
- South Sea Fleet
- Space Station Freedom
- Special Security Force
- Special Service Force
- Sultan's Special Force
- Sunni Students' Federation
- Super Smash Flash
- Super Street Fighter (disambiguation)
- Svenska Scoutförbundet