| Acronym | Definition |
|---|
| SISU➣Svensk Idrotts Studie- och Utbildningsorganisation (Sweden) |
| SISU➣Shanghai International Studies University |
| SISU➣Sichuan International Studies University (est. 1950; China) |
| SISU➣Southampton Institute Students' Union (Southampton, United Kingdom) |
| SISU➣School Improvement Support Unit (UK) |