Fritz Wintersteller (21 October 1927 – 15 September 2018) was an Austrian mountaineer. He made the first ascent of Broad Peak together with Hermann Buhl, Kurt Diemberger, and Marcus Schmuck in 1957. He was born in Innsbruck, Austria.
Wintersteller died on 15 September 2018 at the age of 90.
- Broadpeak.org Main page. Accessed 4 July 2010
- Addio a Wintersteller, l’uomo della prima sul Broad Peak (in Italian)