| Acronym | Definition |
|---|
| CUB | Citizens Utility Board |
| CUB | Communauté Urbaine de Bordeaux (French: Urban Community of Bordeaux; Bordeaux, France) |
| CUB | Communauté Urbaine de Brest (French: Urban Community of Brest; Brest, France) |
| CUB | Civil Union Bill (relationship status) |
| CUB | Cashed Up Bogan |
| CUB | Concerned United Birthparents |
| CUB | Compton Union Building |
| CUB | City Union Bank (India) |
| CUB | Carlton and United Breweries (Australian brewery) |
| CUB | Commander Update Brief |
| CUB | Cursor Backward |
| CUB | Corvinus University of Budapest |
| CUB | Coal Utilization By-Product |
| CUB | Canadian Unlisted Board (trade system) |
| CUB | Central Utility Building |
| CUB | Carlton and United Beverages (Australia) |
| CUB | Captain Upper Body (bodybuilding) |
| CUB | Cryptologic Unified Build |
| CUB | Cubana de Aviacion, Cuba (ICAO code) |
| CUB | C1r/C1s, uEGF, and BMP1 (Bone Morphogenetic Protein) |
| CUB | Comité Único de Barrio (Spanish: Neighborhood Committee) |
| CUB | Commonality Usage Board (NASA) |
| CUB | Confederazione Unitaria de Base |
| CUB | Common Understanding of the Battlefield |
| CUB | Combined Use Base |
| CUB | Cost Upper Bound (Army Maintenance) |