| John Armstrong | |
| Fullname: | John Armstrong |
| Birth Place: | Airdrie, Scotland |
| Position: | Goalkeeper |
| Youthclubs1: | Bellshill Athletic |
| Years1: | 1958–1958 |
| Years2: | 1958–1963 |
| Years3: | 1963–1967 |
| Years4: | 1967–1971 |
| Clubs1: | Barrow |
| Clubs2: | Nottingham Forest |
| Clubs3: | Portsmouth |
| Clubs4: | Southport |
| Caps1: | 21 |
| Goals1: | 0 |
| Caps2: | 20 |
| Goals2: | 0 |
| Caps3: | 79 |
| Goals3: | 0 |
| Caps4: | 86 |
| Goals4: | 0 |
| Totalcaps: | 206 |
| Totalgoals: | 0 |
John Armstrong (born 5 September 1936) is a Scottish former professional footballer, who played as a goalkeeper. He played for Barrow, Nottingham Forest, Portsmouth and Southport.
Born in Airdrie, Armstrong joined Barrow from Bellshill Athletic in March 1958.[1] He joined Nottingham Forest nine months later, but could not establish himself in the first team. Portsmouth stepped in and signed him for about £6,000 in February 1963. He joined Southport in 1967.