CSAO
| Acronym | Definition |
|---|---|
| CSAO | Compagnie du Sénégal et de l'Afrique de l'Ouest (French: Company of Senegal and West Africa) |
| CSAO | Club du Sahel et de l'Afrique de l'Ouest (French: Sahel and West Africa Club) |
| CSAO | chief student affairs officer |
| CSAO | Central State Administration Office (Croatia) |
| CSAO | Chief Scientific Applications Officer |
| CSAO | Chinese Shaanxi Astronomical Observatory (Lintong, China) |
| CSAO | Computer Software Assisted Ordering (bio-computing) |
| CSAO | Computer Science: an Overview (educational course) |