Rynhardt Jonker (born 18 April 2000) is a South African rugby union player for the Lions in the Currie Cup and Lions.His regular position is centre. Jonker was named in the Sharks side for the 2021 Currie Cup Premier Division. He made his debut for the Sharks against the British & Irish Lions on 10 July in the 2021 British & Irish Lions tour to South Africa.Jonker was subsequently loaned out to the Griquas for the 2022 edition of the Carling Currie Cup.