Robert Wainwright (born December 27, 1973 in Vallejo, California, United States) is a Filipino-American professional basketball player who is playing for the Philippine Patriots in the Asean Basketball League for the 2nd time. He was directly hired by Sta. Lucia Realtors in 2000 from the Cebu Gems where he was a star in the Metropolitan Basketball Association.

He played with the Realtors in 2000 before playing for the Shell Turbo Chargers from 2001-2002. In 2003, he was acquired by the Coca-Cola Tigers. After 4 years, Wainwright played for the Rain or Shine Elasto Painters from 2006 to 2009. He was instrumental in transforming Rain or Shine into title contenders.

In 2009, he helped the Philippine Patriots win the inaugural ASEAN Basketball League crown.