Marius van Heerden (8 September 1974 – 22 January 2021) was a South African middle-distance runner. He competed in the men's 800 metres at the 1996 Summer Olympics.[1] He was born in Clanwilliam, South Africa.
Van Heerden died on 22 January 2021 in Cape Town from COVID-19, aged 46.[2]