Peter Johnstone (9 August 1922 – 18 October 1997) was a New Zealand rugby union player.
A backrow forward, Johnstone represented Ashburton County while serving in the army[1] and later Otago at a provincial level.
[1] Johnstone was a key member of the Otago Ranfurly Shield team from 1947 to 1950.
He continued to support the Taieri club after his playing days and was coach of the first Taieri team to win the Dunedin premier banner, sharing it with University A in 1955.
This biographical article relating to New Zealand rugby union, about a person born in the 1920s, is a stub.