| Jack Hastings | |
| Fullname: | John Hastings |
| Birth Date: | 1858 |
| Birth Place: | Belfast, Ireland |
| Death Place: | Belfast, Northern Ireland |
| Position: | Centre half |
| Years1: | 1879–1880 |
| Clubs1: | Ulster |
| Caps1: | ? |
| Goals1: | ? |
| Years2: | 1880–1882 |
| Clubs2: | Knock |
| Caps2: | ? |
| Goals2: | ? |
| Years3: | 1882–1887 |
| Clubs3: | Ulster |
| Caps3: | ? |
| Goals3: | ? |
| Totalcaps: | ? |
| Totalgoals: | ? |
| Nationalyears1: | 1882–1886 |
| Nationalteam1: | Ireland |
| Nationalcaps1: | 7 |
| Nationalgoals1: | 0 |
John Hastings (1858 – March 1935) was an Irish international footballer who played club football for Ulster and Knock as a centre half.
Hastings earned a total of seven caps for Ireland between 1882 and 1886.