Peter Johnston

Peter Johnston may refer to:

Sport

 * Peter Johnston (footballer, born 1957), former Australian rules footballer for Melbourne and Geelong
 * Peter Johnston (footballer, born 1959), former Australian rules footballer for Fitzroy
 * Peter Johnston (rugby league, born 1963), former Canterbury, Eastern Suburbs and Newcastle player
 * Peter Johnston (rugby league, born 1968), former Parramatta, South Sydney and Illawarra player
 * Peter Johnstone (rugby union) (1922–1997), former New Zealand international rugby player
 * Peter Johnstone Park, a sports ground in Mosgiel, New Zealand, named after him
 * Peter Johnston (tennis) (born 1960), Australian tennis player

Other

 * Peter Johnston (BBC) (born 1965), Controller of BBC Northern Ireland
 * Peter Johnston (Canadian politician), Canadian Green Party political candidate
 * Peter Johnston (Wisconsin politician) (1831–1904), Wisconsin State Assemblyman
 * Peter Johnston Jr. (1763–1831), Virginia politician