| Willy Jäggi | |
| Birth Date: | 28 July 1906 |
| Position: | Forward |
| Years1: | 1926–1927 |
| Clubs1: | FC Solothurn |
| Years2: | 1927–1929 |
| Clubs2: | Servette FC |
| Years3: | 1929–1931 |
| Clubs3: | FC La Chaux-de-Fonds |
| Years4: | 1931–1933 |
| Clubs4: | Urania Genève Sport |
| Years5: | 1933–1939 |
| Clubs5: | FC Lausanne-Sport |
| Years6: | 1939–1940 |
| Clubs6: | FC Biel-Bienne |
| Nationalyears1: | 1927–1935 |
| Nationalcaps1: | 21 |
| Nationalgoals1: | 13 |
Willy Jäggi (28 July 1906 – 1 February 1968) was a Swiss footballer who played for Switzerland in the 1934 FIFA World Cup.[1] He also played for FC Solothurn, Servette FC, FC La Chaux-de-Fonds, Urania Genève Sport, FC Lausanne-Sport, FC Biel-Bienne and represented Switzerland at the 1928 Summer Olympics.[2]