| Antonio Janni | |
| Birth Date: | 19 September 1904 |
| Birth Place: | Santena, Italy |
| Death Place: | Turin, Italy |
| Position: | Midfielder |
| Youthyears1: | 191?–1920 |
| Youthclubs1: | Torino |
| Years1: | 1920–1937 |
| Caps1: | 322 |
| Goals1: | 48 |
| Years2: | 1937–1938 |
| Caps2: | 18 |
| Goals2: | 0 |
| Nationalyears1: | 1924–1929 |
| Nationalteam1: | Italy |
| Nationalcaps1: | 23 |
| Nationalgoals1: | 1 |
| Manageryears1: | 1937–1938 |
| Manageryears2: | 1938–1940 |
| Managerclubs3: | Varese |
| Manageryears3: | 1941–1942 |
| Manageryears4: | 1942–1943 |
| Manageryears5: | 1944 |
Antonio Janni (pronounced as /it/; 19 September 1904 – 29 June 1987) was an Italian football manager and former player who played as a midfielder.
Throughout his career, Janni played for Italian sides Torino and Varese at club level. Janni was a member of the Italy national team which won the bronze medal at the 1928 Summer Olympic football tournament[1] [2] and the gold medal at the 1927–30 Central European International Cup.