Sébastien Vahaamahina (born 21 October 1991) is a French rugby union player of Wallisian origin from the French-administered South Pacific overseas collectivity of New Caledonia.

Vahaamahina's position is Lock and in 2014 played for Clermont Auvergne[1] in the Top 14.

Born to parents from the Wallis and Futuna Polynesian community in Noumea, Vahaamahina began his rugby career in New Caledonia, in the South Pacific before moving to mainland France.

[citation needed] Vahaamahina represented France in the 2019 Rugby World Cup and scored their first try in the quarter-final against Wales, but was sent off after elbowing Welsh player Aaron Wainwright in the head.

This biographical article relating to French rugby union is a stub.