RFSU
| Acronym | Definition |
|---|---|
| RFSU | Riksförbundet För Sexuell Upplysning (Swedish organization for sexual enlightenment) |
| RFSU | Regional Force Surveillance Unit (various nations) |
| RFSU | Ready for Start Up |
| RFSU | Riksforbundet for Sexuell Upplysning (Swedish: National Association for Sexuality Education) |
| RFSU | Rugby Football Schools Union (UK) |