| Willi Rutz | |
| Fullname: | Willi Rutz |
| Birth Date: | 1907 1, df=yes |
| Birth Place: | German Empire |
| Death Place: | Germany |
| Position: | Inside left[1] |
| Years1: | 1925–1929 |
| Clubs1: | VfB Stuttgart |
| Years2: | 1929–1931 |
| Clubs2: | Rot-Weiss Frankfurt |
| Years3: | 1932–1941 |
| Clubs3: | VfB Stuttgart |
| Years4: | 1943–1944 |
| Clubs4: | HSV Groß Born |
| Nationalyears1: | 1932 |
| Nationalteam1: | Germany |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 1 |
| Manageryears1: | 1931–1932 |
| Managerclubs1: | Stuttgarter Kickers (co-manager) |
| Manageryears2: | 1933 |
| Managerclubs2: | VfB Stuttgart (player-manager) |
Willi Rutz (7 January 1907 – 20 November 1993), nicknamed Knölle, was a German footballer and manager who played as an inside left and made one appearance for the Germany national team.
Rutz earned his first and only cap for Germany on 1 July 1932, in a friendly against Finland. He scored Germany's second goal to give the team a 2–1 lead in the match, which was played in Helsinki and finished as a 4–1 win.[2]
Rutz died on 20 November 1993, at the age of 86.