ATDO
| Acronym | Definition |
|---|---|
| ATDO | American Tap Dance Orchestra |
| ATDO | Association of Track Day Organisers (UK) |
| ATDO | Association of Tobago Dive Operators |
| ATDO | Award Term Determining Official |
| ATDO | Associazione per il Tiro Dinamico Operativo (Italian shooting association) |
| ATDO | Attention to Detail Organizing (California) |