UBJ
| Acronym | Definition |
|---|---|
| UBJ | Ube, Japan (Airport Code) |
| UBJ | Upper Ball Joint (automotive) |
| UBJ | Upton, Bradeen & James Ltd (machinery dealer, Mississauga, ON, Canada) |
| UBJ | Union Bank of Jamaica |
| UBJ | Ukrainian Biochemical Journal (est. 1926) |
| UBJ | Ukrainian Balneology Journal |