Thomas Tumler (born 5 November 1989) is a Swiss World Cup alpine ski racer; he specializes in giant slalom and formerly also competed in super-G.
Tumler participated in the 2018 Winter Olympics, and three World Championships.
Tumler debuted in the World Cup in February 2012 in Bansko, Bulgaria, failing to finish the first run in a giant slalom race. His first points came at Kranjska Gora, Slovenia, finishing 26th in the same discipline. Over the next several seasons, Tumler also competed in super-G, reaching the top ten once, in eighth at St. Moritz in 2016, which was his first World cup top ten. He also started three downhill races; his best result was 33rd at Kvitfjell, Norway, also in 2016.