Sass, Saß or SASS may refer to:
- Sass (stylesheet language)
- Single Action Shooting Society, a sanctioning organisation for cowboy action shooting
- Shanghai Academy of Social Sciences
- Society for the Advancement of Scandinavian Study
- South African Secret Service
- SASS-C, the Surveillance Analysis Support System for ATC-Centre
- M110 Semi-Automatic Sniper System (or M110 SASS)
- A slang term for 3,4-methylenedioxyamphetamine (MDA)
Read more about Sass: Persons With Given Name Sass, Persons With Surname Sass