Hartmann "Harti" Weirather (born 25 January 1958) is a former World Cup alpine ski racer from Austria.

[1] Weirather's win at Kitzbühel in 1982 was the first-ever under two minutes on the full-length Streif course; his time (1:57.20)[2] stood as the course record for ten years.

[3] (The two downhill races at Kitzbühel in 1982 were extremely fast compared to previous years; Weirather broke Franz Klammer's 1975 record (2:03.22)[4] by over six seconds,[3] and the top 15 finishers in both races were all under two minutes.

)[2][5] Weirather is married to former World Cup champion Hanni Wenzel of Liechtenstein.

They run a business consultancy firm in Planken, Liechtenstein, and their daughter, Tina Weirather, is a former world junior champion and competes on the World Cup circuit for Liechtenstein.