WAU
| Acronym | Definition |
|---|---|
| WAU | Waupaca (Amtrak station code; Waupaca, WI) |
| WAU | Wausau (Wisconsin) |
| WAU | What About You |
| WAU | Windows Automatic Update |
| WAU | Windows Anytime Upgrade (Microsoft program) |
| WAU | Wageningen Agricultural University |
| WAU | World Around Us |
| WAU | Women for Aryan Unity |
| WAU | Wilbur Andrerson Unit (chemistry) |
| WAU | Wireless Access Unit |