YSP may refer to:
- Yemeni Socialist Party
- Yield spread premium – a cash rebate paid by a lender to a mortgage broker if the broker sells a mortgage at an above-Par interest rate to a borrower.
- Yorkshire Sculpture Park
- Young Scholars Program:
- FSU Young Scholars Program, a residential science and mathematics program in Florida
- Davidson Young Scholars program, a program to assist profoundly intelligent young scholars.
- Rutgers Young Scholars Program in Discrete Mathematics, a residential mathematics program in New Jersey
- Rhodes College Young Scholars Program in Biology, a 4-week non-residential summer biology program at Rhodes College
- Marathon Aerodrome, the IATA code for this airport northeast of Marathon, Ontario, Canada is YSP
- The Young Shakespeare Players, a Madison, Wisconsin Shakespeare company for children