GAU
| Acronym | Definition |
|---|---|
| GAU | Girne American University (Turkey) |
| GAU | Größter Anzunehmender Unfall (worst possible accident, German) |
| GAU | Graduate Assistants United |
| GAU | Grants Administration Unit (various organizations) |
| GAU | Galileo Astronomy Unclub (Tacoma, WA) |
| GAU | Gauhati, India - Borjhar (Airport Code) |
| GAU | Georgian American University (Tbilisi, Georgia) |
| GAU | Group Art Unit |
| GAU | Aircraft Gun Unit |