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.
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.
Ieiri was born in Kurume and grew up in Fukuoka. She wanted to be a singer at the age of 13 and came to study under Ongaku-juku Voice (音楽塾ヴォイス the Music School Voice?) presided over by record producer Yoshihiko Nishio, who has produced Ayaka and Yui.
In the spring of 2011, she left home and went to Tokyo alone, leaving her parents. She continued doing musical activities while going to the high school in Tokyo and made her debut on 15 February 2012.