Robert Adolfo Wainwright (born December 27, 1973) is a Filipino-American former professional basketball player who currently serves as the assistant coach of the Nueva Ecija Rice Vanguards of the Maharlika Pilipinas Basketball League (MPBL).

Wainwright 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 to 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.

Wainwright was signed by ABL club Saigon Heat 2012 as an assistant coach for the team.

In June 2014, Wainwright was signed by then-expansion team Kia Sorento as an assistant coach to head coach Manny Pacquiao.