Josef Sterff (2 January 1935 – 7 September 2015) was a West German bobsledder who competed from the late 1950s to the early 1960s. He won a complete set of medals in the four-man event at the FIBT World Championships (gold: 1962, silver: 1958, bronze: 1959). Sterff also finished fifth in the four-man event at the 1964 Winter Olympics in Innsbruck.