Masaaki Noiri (?? ??, Noiri Masaaki, born May 11, 1993) is a Japanese kickboxer who competes in the lightweight and welterweight divisions.
He began practicing karate as a young boy and had great success in both full contact karate and amateur kickboxing in his early teens, which included winning the K-1 Koshien 62 kg (136 lb) schoolboys tournament in 2009.
After turning professional in 2010, he became a mainstay in the Krush promotion and was victorious in the 2011 Krush Under-22 ~63 kg (140 lb) Supernova~ Tournament.
Noiri is known for his devastating knee strikes.
As of 1 November 2018, he is ranked the #2 featherweight in the world by Combat Press.