- plural form of s
- (internet slang) Abbreviation of screenshot#English|screenshot.
- Abbreviation of Saints#English|Saints.
- Initialism of social security#English|social security.
- Initialism of spousal#English|spousal support#English|support.
- Initialism of steam ship#English|steam ship.
- (US, Navy) Initialism of Sub Surface - diesel powered attack submarine
- (military, rocketry) NATO prefix-code for surface-to-surface missile systems developed by the Soviet Union
- (baseball) Initialism of shortstop#English|shortstop.
- (computing) Initialism of screenshot#English|screenshot.
- (statistics) Initialism of sum of squares.
- Abbreviation of Schutzstaffel#English|Schutzstaffel.
- Screw Steamer - screw-driven steamship
- Abbreviation of Subsahara.
ss (not comparable)
- Abbreviation of Subsaharan.
- plural form of S