- YSP stands for Yamaha Sound Projector
- YSP stands for Yield Spread Premium
- YSP stands for Yamaha Sports Plaza (Fairview, OR)
- YSP stands for Young Scientist Program (various schools)
- YSP stands for Yemeni Socialist Party (Yemen)
- YSP stands for Youth Smoking Prevention
- YSP stands for Youth Sailing Program (various organizations)
- YSP stands for Marathon, Ontario, Canada (Airport Code)
- YSP stands for Youth Shoulder Pad (sports equipment)
- YSP stands for Yale Summer Program
- YSP stands for Yearly Subscription Plan (auction platform)
- YSP stands for Years of Service for Severance Pay Purposes
- YSP stands for District Pontoon Salvage (US Navy)
- YSP stands for Your Satellite Provider
YSP