Marius van Heerden

{{Short description|South African athlete (1974–2021)}}

{{Use dmy dates|date=January 2021}}

{{Infobox sportsperson

| name = Marius van Heerden

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| nationality = South African

| sport = Middle-distance running

| event = 800 metres

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| birth_date = {{birth date|1974|9|8|df=yes}}

| birth_place = Clanwilliam, South Africa

| death_date = {{death date and age|2021|01|22|1974|09|08|df=yes}}

| death_place = Cape Town, South Africa

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Marius van Heerden (8 September 1974 – 22 January 2021){{Cite web|last=van der Walt|first=Sarel|date=22 January 2021|title=Rekordbreker-atleet sterf aan Covid-19 [Record-breaking athlete dies of Covid-19]|url=https://www.netwerk24.com/Sport/Atletiek/rekordbreker-atleet-sterf-aan-covid-19-20210122|access-date=22 January 2021|website=Netwerk24|language=en}} was a South African middle-distance runner. He competed in the men's 800 metres at the 1996 Summer Olympics.{{cite Sports-Reference |url=https://www.sports-reference.com/olympics/athletes/va/marius-van-heerden-1.html |archive-url=https://web.archive.org/web/20200418112113/https://www.sports-reference.com/olympics/athletes/va/marius-van-heerden-1.html |url-status=dead |archive-date=18 April 2020 |title=Marius van Heerden Olympic Results |access-date=22 October 2017}}

van Heerden died of COVID-19 during the pandemic in South Africa.{{Cite web |date=23 January 2021 |title=RIP - Former SA Olympian and 800m record holder dies of Covid-19 |url=https://www.thesouthafrican.com/sport/rip-former-sa-olympian-and-800m-record-holder-dies-of-covid-19/ |access-date=29 January 2021 |website=The South African |language=en-ZA}}