| 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 |