Peter Butler (born February 15, 1958) is a former Canadian long-distance runner who was a national champion in the outdoor 5,000 metres and 10,000 metres.[1][2] Butler competed in the men's 10,000 metres at the 1983 World Championships in Helsinki, Finland.[3] At the 1985 California International Marathon, Butler set a course record with a time of 2:10:56.[4] This time remains the fifth fastest marathon run by a Canadian.[5]