| Jack Monohan Jr. | |
| Fullname: | John Richard Monohan |
| Birth Date: | 9 September 1902 |
| Birth Place: | Collingwood, Victoria |
| Death Place: | Greensborough, Victoria |
| Originalteam: | Collingwood District |
| Height: | 185 cm |
| Weight: | 81 kg |
| Years1: | 1924 - 1925 |
| Club1: | Collingwood |
| Games Goals1: | 7 (3) |
| Years2: | 1928 - 1933 |
| Club2: | Preston (VFA) |
| Games Goals2: | 111 (32) |
Jack Monohan Jr. (9 September 1902 – 1 February 1987)[1] was an Australian rules footballer who played two seasons for Collingwood in the Victorian Football League.
Monohan, son of the Collingwood half-back Jack Monohan, played seven games over the 1924 and 1925 VFL seasons.[2]
By the late 1920s Monohan had crossed to Preston in the Victorian Football Association.[3]