YCSA
| Acronym | Definition |
|---|---|
| YCSA | Yacht Club Santo Amaro (Brazil) |
| YCSA | Youth Community Support Agency (est. 1995; UK) |
| YCSA | Young Canadian Simmental Association |
| YCSA | York Community Service Association (Maine) |
| YCSA | Young Clinical Scientist Award (Flight Attendant Medical Research Institute; Miami, FL) |
| YCSA | Yaupon Creek Silhouette Association (Texas) |