| SSSSS | Search Segregate Silence Speed Safeguard 
| Others |
| SSSSS | Secret Society for Stealing the Samurai Sword
| Others |
| SSSSS | Select Society of Sanitary Sludge Shovelers
| Others |
| SSSSS | Serene Secular Social Service Society
| Others |
| SSSSS | Shout, Show, Shove, Shoot to warn, Shoot to wound
| Others |
| SSSSS | Super Suicide Society of Summer
| Others |
| SSSSS | Super Suicide Society of the Summer Session
| Others |