| Acronym | Definition |
|---|
| FSSB➣Freestyle Street Basketball (gaming) |
| FSSB➣Fondation Sylvie et Simon Blais (French: Sylvie and Simon Blais Foundation; Canada) |
| FSSB➣Frontiers in Systems and Synthetic Biology (conference) |
| FSSB➣Financial Solvency Standards Board (California) |
| FSSB➣Female Scientists in Structural Biology (Switzerland) |
| FSSB➣Foreign Studies Service Bureau (India; education) |
| FSSB➣Fima Securities Sdn. Bhd. (Malaysia) |