| Acronym | Definition |
|---|
| EAU | European Association of Urology |
| EAU | Emergency Assessment Unit (healthcare) |
| EAU | Eurasian Union |
| EAU | Environment and Urbanization (Sage publication) |
| EAU | European Association of Universities (est. 2001) |
| EAU | Emiratos Árabes Unidos (Spanish: United Arab Emirates) |
| EAU | Estonian Agricultural University (Tartu, Estonia) |
| EAU | Estimated Annual Usage |
| EAU | Economic Analysis Unit |
| EAU | Environmental Archaeology Unit |
| EAU | Eau Claire, WI, USA - Eau Claire Municipal (Airport Code) |
| EAU | Expected Annual Usage |
| EAU | Extended Arithmetic Unit |
| EAU | Educational Assessment Unit |
| EAU | Emergency Action Unit |
| EAU | Estimated Annual Units |
| EAU | End-Use Activity |
| EAU | Evacuation Alarm Unit |
| EAU | External Access Unit |
| EAU | Equity and Access Unit (Latrobe University, Australia) |