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.^[3]

Year	Competition	Venue	Position	Notes
Representing  South Africa
2013	World Youth Championships	Addis Ababa, Ethiopia	6th	50.16 m
2014	African Youth Games	Gaborone, Botswana	1st	47.62 m
	Youth Olympic Games	Nanjing, China	7th	48.93 m
2015	African Junior Championships	Addis Ababa, Ethiopia	1st	49.47 m
	African Games	Brazzaville, Republic of the Congo	3rd	50.52 m
2016	African Championships	Durban, South Africa	2nd	56.22 m
	World U20 Championships	Bydgoszcz, Poland	2nd	57.32 m
2017	Universiade	Taipei, Taiwan	9th	57.02 m
2018	African Championships	Asaba, Nigeria	2nd	53.72 m
2019	Universiade	Naples, Italy	6th	56.85 m
	African Games	Rabat, Morocco	2nd	55.38 m
2021	Olympic Games	Tokyo, Japan	24th (q)	57.69 m
2022	African Championships	Port Louis, Mauritius	1st	60.65 m
	World Championships	Eugene, United States	15th (q)	57.79 m
2023	World Championships	Budapest, Hungary	10th	57.43 m
2024	African Games	Accra, Ghana	1st	60.80 m
	African Championships	Douala, Cameroon	1st	57.03 m
	Olympic Games	Paris, France	2nd	63.93 m

• South African Championships
  • Javelin throw: 2018, 2021, 2022
• USSA Championships
  • Javelin throw: 2016, 2017, 2018, 2019, 2021, 2022
• South African U20 Championships
  • Javelin throw: 2016
• South African Junior Championships
  • Javelin throw: 2015

• Jo-Ané van Dyk at World Athletics
• Jo-Ané van Dyk at Olympedia