Prayad Marksaeng (born 30 January 1966) is a Thai professional golfer.
Prayad was a member of Thailand's winning golf team at the 1987 South East Asian Games and turned professional in 1991. He has been a member of the Asian Tour since it began in its modern form in 1995. He was won six events on the tour, becoming one of the first ten men to reach a million U.S. dollars in career earnings. He has also competed on the Japan Golf Tour and in 2008 won three tournaments in Japan.