DSAO
| Acronym | Definition |
|---|---|
| DSAO | Du Sud a l'Ouest (French: South West; architecture firm) |
| DSAO | Down Syndrome Association of Ontario (Ottawa, Ontario, Canada) |
| DSAO | Driving School Association of Ontario (est. 1975; Canada) |
| DSAO | Disabled Sailing Association of Ontario (Canada) |
| DSAO | Drainage Superintendents Association of Ontario (Canada) |
| DSAO | Diploma in Small Animal Orthopaedics (UK) |
| DSAO | Design Structuring and Allocation Optimization |