| Acronym | Definition |
|---|
| FBU➣Fire Brigades Union |
| FBU➣Fraternité Blanche Universelle (French: Universal White Brotherhood) |
| FBU➣Federal Benefits Unit (Social Security, Medicare) |
| FBU➣Fast Binding Update |
| FBU➣Fluidized Bed Unit |
| FBU➣Franc Burundais (national currency) |
| FBU➣Foundry Business Unit |
| FBU➣Oslo, Norway - Fornebu (Airport Code) |
| FBU➣Faciliteiten Bedrijf Utrecht |