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