| Mario Leitner | |
| Birth Date: | 2 February 1997 |
| Birth Place: | Sankt Veit an der Glan, Austria[1] |
| Height: | 177 cm |
| Weight: | 75 kg |
| Sport: | Canoe slalom |
| Event: | K1, Kayak cross |
| Coach: | Jernej Abramič |
| Club: | KC Glanegg |
Mario Leitner (born 2 February 1997) is an Austrian slalom canoeist who has competed at the international level since 2012.[2]
He won a bronze medal in kayak cross at the 2021 World Championships in Bratislava. He also won three silver medals at the European Championships.
Leitner finished 13th in the K1 event at the 2016 Summer Olympics in Rio de Janeiro.
Leitner was introduced to canoeing by his father at age three, and joined a club aged five. In 2014 he won the Austrian Youth Sports Award after winning a gold medal at the junior world championships. He was the first male Austrian canoeist to win that title. His older sister Lisa also competes in canoe slalom.