SIUP
| Acronym | Definition |
|---|---|
| SIUP | Surat Izin Usaha Perdagangan (Indonesian: business permit) |
| SIUP | Societa Italiana Urologia Pediatrica (Italian: Italian Pediatric Urology Society; est. 1982) |
| SIUP | Service Informatique de l'Université de Perpignan |
| SIUP | Singleton Intrauterine Pregnancy |