John Eldridge (1917–1962) was a British film director.
Gaining fame as documentary film maker in the Second World War for the Ministry of Information his topics covered both war, and architecture and urban planning.
Often working with poets he had at least five collaborative projects with Dylan Thomas.
He was born in Folkestone on 26 July 1917.
Around 1950 he joined John Grierson's film company Group 3 Productions.
In addition to directing, he also wrote screenplays, most notably for Pool of London (1951) and Operation Amsterdam (1959).
Plagued by ill-health he died in Brompton Hospital in London on 14 June 1962.