RY
| Acronym | Definition |
|---|---|
| RY | Railway |
| RY | Royal Bank of Canada (stock symbol) |
| RY | Runway (also seen as RNWY and RWY) |
| RY | Rebel Yell |
| RY | Real Year |
| RY | Required Yearly |
| RY | Rouyn, Quebec (Ontario Northland railway code) |
| RY | US Revenue Firearms Transfer (Scott Catalogue prefix; philately) |