Yuki Yatomi (?? ??, Yatomi Yuki, born 16 February 1985 in Kyoto) is a Japanese rugby union player.
He plays as a scrum-half.
Yatomi is currently a player for Yamaha Jubilo, from Iwata.
He has 15 caps for Japan, with 2 tries scored, 10 points in aggregate, since 2006.
His debut was at a 50-14 win over South Korea, in Tokyo, in a 2007 Rugby World Cup qualifier, where he played as a substitute.
He was present at the 2007 Rugby World Cup, playing two games.