Nataniela Oto (born May 26, 1980) is a Tongan-Japanese rugby union player.
Oto plays for Toshiba Brave Lupus.
He has 12 caps for Japan, with 4 tries scored, 20 points in aggregate, from 2001 to 2007.
He was present at the 2007 Rugby World Cup, playing a single match, in the 91–3 loss to Australia.
This Japanese rugby union biography is a stub.