Yuki Yatomi (矢富 勇毅, Yatomi Yūki, born 16 February 1985 in Kyoto) is a Japanese rugby union player.

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.