Jacobus Meyer Reinach (born 7 February 1990) is a South African professional rugby union player who plays for the Top 14 side Montpellier and South Africa. His playing position is scrum-half and he is the son of former Springbok winger Jaco Reinach., He was the member of the victorious Springbok team at the 2019 Rugby World Cup in Japan,Yokohama.