| János Gyarmati | |
| Birth Date: | 1910 2, df=yes |
| Birth Place: | Tapioszele, Austria-Hungary |
| Death Place: | Budapest, Hungary |
| Position: | Defender |
| Clubs1: | Szegedi FC |
| Nationalyears1: | 1937–1938 |
| Nationalteam1: | Hungary |
| Nationalcaps1: | 3 |
| Nationalgoals1: | 0 |
| Manageryears1: | 1953–1954 |
| Managerclubs1: | Dynamo Dresden |
| Manageryears2: | 1955–1957 |
| Managerclubs2: | East Germany |
| Manageryears3: | 1961–1963 |
| Managerclubs3: | SC Dynamo Berlin |
János Gyarmati (8 February 1910 - 29 August 1974) was a Hungarian footballer and coach. He played for Szeged FC, and won three caps for Hungary between 1937 and 1938. He later coached in East Germany, managing VP Dresden, DHfK Leipzig, Vorwärts Berlin and SC Dynamo Berlin, as well as coaching the East Germany national team from 1955 to 1957.