Trevor Gleeson (born 28 May 1968) is an Australian professional basketball coach who is an assistant coach for the Toronto Raptors of the National Basketball Association (NBA). After starting his coaching career in his hometown of Warrnambool, Gleeson had his first stint in the National Basketball League (NBL) between 1997 and 2000 as an assistant coach with the Brisbane Bullets. Between 2000 and 2004, Gleeson coached in the Continental Basketball Association in the United States. After two years in South Korea, he returned to Australia in 2006 to coach the Townsville Crocodiles. Five seasons in North Queensland brought significant success, guiding the team to five consecutive post-season appearances and winning the NBL Coach of the Year Award in 2011. He then spent a season with the Melbourne Tigers and then worked with AFL clubs North Melbourne and Hawthorn before the opportunity to join the Perth Wildcats arose in 2013. Additionally, between 2014 and 2016, he served as an assistant coach for the Australian Boomers.