| 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) |