WRU
| Acronym | Definition |
|---|---|
| WRU | Welsh Rugby Union |
| WRU | Where Are You? (roleplaying games) |
| WRU | Western Reserve University (Cleveland, OH) |
| WRU | Warrior Return Unit (US DoD) |
| WRU | Weapons Replaceable Unit |
| WRU | Wireless Remote Unit (Wireless Seismic, Inc.) |
| WRU | "Who Are You" Command Query |
| WRU | Welfare Rights Unit Inc. (legal advice; Victoria, Australia) |