BJO
| Acronym | Definition |
|---|---|
| BJO | Banjo |
| BJO | Brussels Jazz Orchestra (Belgium) |
| BJO | Ben Jen Online, LLC |
| BJO | British Junior Open (squash; UK) |
| BJO | British Journal of Orthodontics |
| BJO | Business Japanese Online (language-learning program) |
| BJO | British Journal of Ophthalmologoy |
| BJO | B3 Jazz Orchestra (Switzerland) |