Niall Williams (rugby union)

Niall Williams (born 21 April 1988) is a New Zealand rugby sevens player and former New Zealand international touch football captain. She is a member of New Zealand's women's national rugby sevens team and was selected for their squad to the 2016 Summer Olympics, where New Zealand claimed the silver medal behind Australia. In touch football she won gold at the 2005 Youth World Cup and silver at the 2011 Touch Football World Cup.
She is the younger sister of All Black Sonny Bill Williams. She has a twin sister called Denise.