John Frederik Mikaelsson (6 December 1913 – 16 June 1987) was a Swedish race walker who competed at two Olympic Games.

He was most successful over 10 km distance, winning a European title in 1946.

Mikaelsson competed domestically in running, skiing, orienteering, handball and football.

[2] At the 1948 Summer Olympics in London he won the gold medal in the men's 10 kilometres walk competition and four years later successfully defended his title by winning the 10 km walk at the 1952 Summer Olympics in Helsinki.

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