Joseph Mostert

{{Short description|Belgian middle-distance runner (1912–1967)}}

{{Use dmy dates|date=June 2020}}

{{Infobox sportsperson

| name = Joseph Mostert

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| nationality = Belgian

| sport = Middle-distance running

| event = 1500 metres

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| birth_date = {{birth date|1912|7|26|df=yes}}

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| death_date = {{death date and age|1967|4|28|1912|7|26|df=yes}}

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Joseph Mostert (26 July 1912 – 28 April 1967) was a Belgian middle-distance runner. He competed in the men's 1500 metres at the 1936 Summer Olympics.{{cite Sports-Reference |url=https://www.sports-reference.com/olympics/athletes/mo/joseph-mostert-1.html |archive-url=https://web.archive.org/web/20200418002553/https://www.sports-reference.com/olympics/athletes/mo/joseph-mostert-1.html |url-status=dead |archive-date=18 April 2020 |title=Joseph Mostert Olympic Results |access-date=26 October 2017}}