| Acronym | Definition |
|---|
| UPJ➣University of Pittsburgh at Johnstown (Pennsylvania) |
| UPJ➣Ureteropelvic Junction |
| UPJ➣Unternehmen: Partner der Jugend (Germany) |
| UPJ➣United for Peace and Justice |
| UPJ➣Union des Entreprises pour La Protection des Jardins (French: Union of Companies for the Protection of Gardens; France) |
| UPJ➣Universal Pictures Japan (movie studio) |
| UPJ➣Union Polynésienne pour La Jeunesse (French: Polynesian Union for Youth; French Polynesia) |