Paul Willemse (born 13 November 1992) is a South African born rugby union player for French Top 14 side Montpellier. His regular playing position is lock. Although he was born in South Africa, and was part of the Springbok U20 side that won the 2012 IRB Junior World Championship, he has qualified to play senior international rugby for France on residency grounds, and made his debut against Wales in the Six Nations on 1 February 2019.