| Jack Hindmarsh | |
| Birth Name: | John A. Hindmarsh[1] |
| Birth Date: | c. 1880 |
| Birth Place: | Brisbane, Queensland |
| Ru Position: | centre |
| Repyears1: | 1904 |
| Repteam1: | Australia |
| Repcaps1: | 1 |
| Reppoints1: | 0 |
John A. "Jack" Hindmarsh (born c. 1880) was a rugby union player who represented Australia.
Hindmarsh, a centre, was born in Brisbane, Queensland and claimed international rugby cap for Australia. His debut game was against Great Britain, at Sydney, on 2 July 1904.