| Acronym | Definition |
|---|
| RBU➣Riksförbundet för Rörelsehindrade Barn Och Ungdomar (Swedish National Association for Disabled Children and Young People) |
| RBU➣Regional Business Unit |
| RBU➣Rock Band Unplugged (video game) |
| RBU➣Référentiel de Bon Usage (French: Repository of Good Use; healthcare) |
| RBU➣Rukun Budi Utama (The Hague, The Netherlands) |
| RBU➣Rear Body Unit |
| RBU➣Reference Base Units (International Commission for Uniform Methods of Sugar Analysis) |
| RBU➣Rechnungsbegleitende Unterlagen (German) |
| RBU➣Remote BIOS (Basic Input/Output System) Update (computing) |
| RBU➣Rehabilitation Bedservice Unit |