| John Mais | |
| Full Name: | John Charles Mais |
| Country: | United States |
| Birth Date: | 17 January 1888 |
| Birth Place: | Philadelphia, Pennsylvania, U.S. |
| Death Place: | Bryn Mawr, Pennsylvania, U.S. |
| Height: | 164 cm |
| Discipline: | MAG |
| Gym: | Philadelphia Turngemeinde |
| Show-Medals: | yes |
John Charles Mais (January 17, 1888 – August 8, 1974) was an American gymnast. He was a member of the United States men's national artistic gymnastics team and competed in the 1920 Summer Olympics and in the 1924 Summer Olympics.[1] He was born in Philadelphia.[2] He worked for Southern Railway for over 50 years before passing away on August 8, 1974, in Bryn Mawr, Pennsylvania.[3]
As a gymnast, Mais was a member of Philadelphia Turngemeinde, also known as Philadelphia Turners.[4]