HWU
| Acronym | Definition |
|---|---|
| HWU | Heriot-Watt University (Edinburgh, Scotland) |
| HWU | Hydraulic Workover Unit (oil drilling) |
| HWU | Historically White University |
| HWU | Health Workers' Union (South Africa) |
| HWU | Hengelose Wandel Unie (Dutch walking club; Netherlands) |
| HWU | Huachuca Water Umbel (plant) |
| HWU | Hey, What's Up? (chat) |