Yoichi Nukumizu (born June 19, 1964, in Miyakonojō, Miyazaki, Japan) is a Japanese actor and television personality. He was a member of the theater company Otona Keikaku from 1988 to 1994 and later became a frequent presence in television dramas, films, stage productions, and variety shows.

His notable screen appearances include Little Forest: Summer & Autumn (2014), Little Forest: Winter & Spring (2015), Sanada Maru (2016), and Kaitou Sentai Lupinranger VS Keisatsu Sentai Patranger (2018). In 2017, he received an Individual Award at the 52nd Kinokuniya Theatre Awards.