BYR
| Acronym | Definition |
|---|---|
| BYR | Books for Young Readers |
| BYR | Billion Years |
| BYR | Belarusian Rouble (ISO currency code) |
| BYR | Bendigo Youth Racing, Inc. (Victoria, Australia) |
| BYR | Bake Young Realty |
| BYR | Backyard Rinks, Ltd. |
| BYR | Backyard Resorts LLC |
| BYR | Baytree Real Estate |