Tristan Walker (born May 16, 1991) is a Canadian luger who has competed since 2008. His best Luge World Cup finish was 8th in men's doubles at Cesana in the 2011 World Championships.
Walker qualified for the 2010 Winter Olympics where he finished 15th. Walker also qualified for the 2014 Winter Olympics in Sochi, Russia. He competed in both the Doubles race and the Team Relay (which made its Olympic appearance in 2014). He and his teammate Justin Snith missed the podium in the doubles event by just five-one hundredths (0.05) of a second for the best-ever Olympic result by a Canadian sled in the event. They joined Alex Gough and Samuel Edney and had another Olympic fourth place finish. The team has won silver at the 2013 World Championships following bronze in 2012.