Leo Ieiri (家入レオ, Ieiri Reo, born 13 December 1994 in Fukuoka Prefecture) is a Japanese singer and songwriter. Her song "Sabrina" was used as the third ending song of the anime television series Toriko and her song "Silly" was used as the theme song for the television adaption of popular novel "Nのために" ("For N").
Her stage name comes from the movie Léon: The Professional, and also comes from Leo of Kimba the White Lion because her eyes resemble a lion.