| Coaching career (HC unless noted) | |
|---|---|
| 1899 | Fordham |
| Head coaching record | |
| Overall | 3–1 |
John J. Mullen was an American football coach. He served as the head football coach at Fordham University for one season in 1899. He compiled a record of 3–1.
| Year | Team | Overall | Conference | Standing | Bowl/playoffs | ||||
|---|---|---|---|---|---|---|---|---|---|
| Fordham (Independent) (1899) | |||||||||
| 1899 | Fordham | 3–1 | |||||||
| Fordham: | 3–1 | ||||||||
| Total: | 3–1 | ||||||||