John Flett Duthie (7 January 1903 — 1969) was a Scottish professional footballer who played as a wing half.
[1] He was unable to break into the first team, making no appearances,[2] and returned to Scotland to play for Clydebank.
[1] He rejoined Hartlepool the following season and made his debut on 10 November 1923 in a 0–0 draw with New Brighton.
He made three further appearances, scoring once in a 10–1 victory over St Peter's Albion in the FA Cup, before leaving the club at the end of the season.
[2] He joined Cardiff City in 1933 but the club endured a difficult season, finishing bottom of the Third Division South, and he was released.