| Jack Armstrong | |
| Birth Date: | 1884 |
| Height: | [1] |
| Position: | Half back |
| Years1: | 1903–1905 |
| Years2: | 1905–1922 |
| Caps2: | 432 |
| Goals3: | 8 |
Jack Armstrong (1884–1963)[2] was a footballer who played in The Football League for Nottingham Forest between 1905 and 1922.[3]
Armstrong also played cricket for Nottinghamshire Seconds and made 17 appearances in the Minor Counties Championship between 1909 and 1910.
Armstrong came from a sporting family. His brother Thomas Armstrong played cricket for Nottinghamshire and another brother Albert played for Forest Reserves on several occasions.[4]