Laura Tui Mariu MNZM (born 2 December 1980) is a Canadian international rugby league player.

She represented New Zealand at the 2000, 2003, 2008, 2013 and 2017 Women's Rugby League World Cups.

[1][2][3] Mariu was chosen to captain the New Zealand Warriors' Women's team in the inaugural NRLW competition in 2018.

In the 2018 Queen's Birthday Honours, Mariu was appointed a Member of the New Zealand Order of Merit, for services to rugby league.

[4] Mariu will represent Canada Ravens in the 2021 Rugby League World Cup.