Mary Jane Logan (née Mitchell; 26 November 1912 – 26 March 2007) was a New Zealand athlete.

[1] In 1939, she won the inaugural women's javelin throw at the New Zealand athletics championships, with a winning distance of 111 feet 6+1⁄2 inches (34.00 m).

She won the national title again in 1940 and 1941, and her distance of 122 feet 6 inches (37.34 m) in 1940 remained the championship record until surpassed by Cleone Rivett-Carnac in 1952.

[2] At the Auckland women's championships in 1941, Mitchell broke her own New Zealand record with a throw of 125 feet 8 inches (38.30 m).

[3] She also at one time held the New Zealand women's long jump record,[4] and was a competent high jumper, winning the Auckland championship in 1936.