Paul Johnstone (disambiguation)

Paul Johnstone (1930–1996) was a South Africa rugby union player.

Paul Johnstone may also refer to:


 * Paul Johnstone (Ontario politician), Canadian politician
 * Paul Neil Milne Johnstone (1953–2007), journalist who shared a room with Douglas Adams at school and subsequently appeared as a supporting character in The Hitchhiker's Guide to the Galaxy
 * Paul Johnstone, actor in the 1979 movie Mad Max
 * Paul Johnstone (1???–1976), first director and producer of The Sky at Night