CBY
| Acronym | Definition |
|---|---|
| CBY | Coos Bay (Amtrak station code; Coos Bay, OR) |
| CBY | Cadbury (stock symbol; London, England, UK) |
| CBY | Central Bank of Yemen |
| CBY | CBY Systems, Inc. (formerly Credit Bureau of York; York, PA) |
| CBY | Charlestown but Yesterday (French band) |
| CBY | Creations by You (Honolulu, HI) |
| CBY | Camp Burn Yourself (Swedish alternative arts festival) |
| CBY | Suvorov Military School (Russian acronym) |