Jo-Ané du Plessis (née van Dyk; born 3 October 1997) is a South African track and field athlete who competes in the javelin throw.

She is a two-time Olympian and won the silver medal in the women's javelin throw event at the 2024 Summer Olympics in Paris.

[2] Van Dyk is also a two-time African champion and an African Games gold, silver and bronze medallist.

All information taken from World Athletics profile.

This biographical article relating to South African athletics is a stub.