Jan Lodewyk Serfontein (born (1993-04-15)15 April 1993) is a South African rugby union footballer. He plays as a centre for the Bulls in Super Rugby and for the Blue Bulls in the Currie Cup and Vodacom Cup competitions.
Serfontein was a member of the South Africa under 20 team that won the 2012 IRB Junior World Championship. His performances in the tournament led to him being named 2012 IRB Junior Player of the Year. He was also included in the squad for the 2013 IRB Junior World Championship, but was later withdrawn in order to make him available for the senior national team.
He made his debut for the Springboks versus Italy on 8 June 2013 at Kings Park Stadium in Durban, playing from the bench as a replacement for Bryan Habana from the 71st minute.