John Hagart (19 November 1937 – 1 June 2010) was a Scottish football player and manager. He bossed Scottish sides Hearts and Falkirk during the later 1970s and early 1980s. Hagart had a modest playing career, making only five senior league appearances for Berwick Rangers during the 1960–61 season. He also played in the junior leagues for Armadale Thistle. Hagart signed up as Falkirk manager in 1979. He guided the then Division Two side to promotion in season 1979–80. Two mid-table finishes in the following seasons led to Hagart leaving in 1982.