Reinhardt Ludwig (born 27 August 2002) is a South African professional rugby union player who currently plays for the in the United Rugby Championship and in the Currie Cup. His regular position is lock and flanker.
Ludwig attended the prestigious Pretoria based school, Affies. Ludwig was not only headboy, but also captained the first team.
Ludwig was named in the squad for the 2021 Currie Cup Premier Division. He made his debut in Round 12 of the 2021 Currie Cup Premier Division against the .