|Full name||John Hagart|
|Date of birth||19 November 1937|
|Place of birth||Edinburgh, Scotland|
|Date of death||1 June 2010(aged 72)|
|Place of death||Scotland|
|Playing position||Wing half|
|1974–1977||Heart of Midlothian|
|1983–1986||Rangers (reserve team coach)|
|1987||Partick Thistle (caretaker)|
* Senior club appearances and goals counted for the domestic league only.
Hagart was appointed manager of Heart of Midlothian on 12 October 1974 replacing Bobby Seith. After two seasons in the Premier Division the club was relegated, for the first time in its history, during the 1976–77 season. The side finished second bottom in the league with Hagart taking full responsibility and being dismissed on 23 April 1977.
- Falkirk FC Managers
- "John Hagart". Post War English & Scottish Football League A - Z Player's Database. Retrieved 23 January 2011.