Josef Lanzendörfer (24 March 1907 in Sankt Marien[1] –) was an Austrian bobsledder who competed for Czechoslovakia in the mid-1930s. He won a silver medal in the two-man event at the 1935 FIBT World Championships in Igls.
Lanzendörfer also competed at the 1936 Winter Olympics in Garmisch-Partenkirchen, finishing 20th in the two-man event and did not finish the four-man event.