Hitoki Iwase (岩瀬 仁紀, born November 10, 1974) is a Japanese former professional baseball pitcher.

In the 2007 Japan Series, he saved a perfect game with eight innings thrown by Daisuke Yamai.

In group stage against South Korean Olympic baseball team, his pitch was hit by Kim Hyunsoo, which resulted in a loss.

In the semifinal round against the South Korean team, his pitch was hit by Lee Seung-Yeop, leading to a two-run homerun.

[2] This biographical article relating to a Japanese baseball pitcher is a stub.