| Hans Tandler | |
| Birth Date: | 10 September 1901 |
| Birth Place: | Austria |
| Death Date: | 1959 |
| Position: | Defender |
| Years1: | 1919–23 |
| Clubs1: | Vienna Cricket and Football-Club |
| Years2: | 1923–26 |
| Clubs2: | SV Amateure |
| Years3: | 1926–28 |
| Clubs3: | New York Giants |
| Caps3: | 50 |
| Goals3: | 1 |
| Years4: | 1928–31 |
| Clubs4: | Austria Wien |
| Years5: | 1933–34 |
| Clubs5: | Nice |
| Nationalyears1: | 1924–30 |
| Nationalteam1: | Austria |
| Nationalcaps1: | 18 |
| Nationalgoals1: | 3 |
| Manageryears1: | 1933–34 |
| Managerclubs1: | Nice |
| Manageryears2: | 1938–39 |
| Managerclubs2: | Galatasaray |
Johann "Hans" Tandler was an Austrian international footballer. He played for Vienna Cricket and Football-Club, SV Amateure, New York Giants and Austria Wien at the club level. He made 18 appearances for the Austria national team, scoring three goals.
After retiring he managed Galatasaray for one year.