| BUM | Back Up Man
| Others |
| BUM | Back Up Manager
| Others |
| BUM | Bad Unharmonious Music
| Others |
| BUM | Bari Upbeat Movement
| Others |
| BUM | Beatles Unlimited Magazine
| Others |
| BUM | Beautiful Understanding Man
| Others |
| BUM | Best Unicorn Member
| Others |
| BUM | Bis UberMorgen
| Others |
| BUM | Bloggers Universe Malaysia
| Others |
| BUM | Bold Urban Mythology
| Others |
| BUM | Boot Up Manager
| Others |
| BUM | Box Underline Make
| Others |
| BUM | Build-Up Multilayer
| Others |
| BUM | Business Unit Manager
| Others |
| BUM | Business Update Meeting
| Others |
| BUM | Butler, Missouri USA
| Others |
| BUM | Butt Ugly Martians
| Others |