WREN
| Acronym | Definition |
|---|---|
| WREN | Write Enable |
| WREN | Water Resources Education Network |
| WREN | Women's Royal Naval Service |
| WREN | World Renewable Energy Network |
| WREN | Women's Rural Entrepreneurial Network |
| WREN | Washington Research Evaluation Network |
| WREN | Wild Register Address Compare Enable Register (computer programming) |
| WREN | Winnipeg Refugee Education Network (Winnipeg, Manitoba, Canada) |
| WREN | World Radio for the Environment (UK) |