| 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) |