Stefan Bonneau (born March 13, 1987) is an American professional basketball player who last played for Stjarnan of the Icelandic Úrvalsdeild karla.
Born in Middletown, Orange County, New York, Bonneau played high school basketball for Middletown.
He then played for the SUNY Orange Colts of the NJCAA.
After graduating, he enrolled in LIU Post to play for the Pioneers in NCAA Division II.
In both his seasons with the Pioneers, Bonneau won the East Coast Conference (ECC) championships and was named All-ECC Player of the Year.
In 2012, he signed for the Windsor Express of the NBL Canada, with whom he won the 2015 NBL Canada Championship and was named NBL Canada Finals MVP.
In 2014, he signed for the Xinjiang Flying Tigers of the Chinese Basketball Association.