SISU
| 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) |