| Acronym | Definition |
|---|
| DIAA➣Delaware Interscholastic Athletic Association |
| DIAA➣Dairy Industry Association of Australia |
| DIAA➣Democracy in Action Award (Union League Club of Chicago award) |
| DIAA➣Deer Industry Association of Australia |
| DIAA➣Defense Intel Alumni Association |
| DIAA➣Dayton Industrial Athletic Association |