John Langdon (born August 24, 1947) is a former driver of standardbred racehorses in New Zealand.
He was associated with many champions and was a leading driver of harness horses in New Zealand.
He is notable for winning the Inter Dominion Championship three times, twice of which in 1975.
The Inter Dominion is the premier trotting series of races between Australia and New Zealand.
This New Zealand horse racing biographical article is a stub.