YSP may refer to:
Yemeni Socialist Party Party of the Greens and the Left Future (YSP), a Turkish political 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, in Yorkshire, England FSU Young Scholars Program, a residential science and mathematics program in Florida Marathon Aerodrome (IATA code), in Marathon, Ontario, Canada Yale shooting problem, a situational logic conundrum formulated at Yale University A US Navy hull classification symbol: Salvage barge (YSP)