Hiro Nicolas Vallar (born 22 October 1983) is a Tahitian footballer who plays as a centre-back.

[2] Vallar started his career with Angers before signing for Montpellier reserve team in 2001 to play at CFA, the fourth tier of football in France.

In 2003, he left Montpellier and joined Sète, where he played for three years and managed to achieve promotion to Ligue 2 in 2005, only to be relegated back to Championnat National in the following season.

In 2009, Vallar returned to his homeland to play for AS Dragon, winning the Tahiti First Division in 2011–12.

Vallar made his debut for the senior team during 2012 OFC Nations Cup, being the team's captain, scoring twice from the penalty spot and receiving the Golden Ball award as Tahiti won the competition for the first time.