| Jack Smart | |
| Fullname: | Jack Smart |
| Birth Date: | Unknown |
| Birth Place: | Kingswood, England |
| Position: | Centre half |
| Years1: | ????–1905 |
| Clubs1: | Bristol East |
| Years2: | 1905–1910 |
| Clubs2: | Bristol Rovers |
| Caps2: | 105 |
| Goals2: | 3 |
| Years3: | 1910–???? |
| Clubs3: | Reading |
John 'Jack' Smart was a professional footballer who played for Bristol Rovers and Reading in the early twentieth century. He was born in Kingswood in what is now South Gloucestershire and after starting out with Bristol East went on to play 105 games for Bristol Rovers in the Southern League, scoring twice. He moved to Reading from Rovers in 1910. Unfortunately Smart disappeared after being sent to war, it is widely believed he was killed after not putting up much of a fight, similar to his football performances.