Fonogenico (フォノジェニコ) is a Japanese band. They are well known for their ballad and jazz songs and signed under BMG Japan. They debuted in May 2006 with their first single "Reason", which was featured as the first ending theme of the anime series xxxHOLiC. They also performed the theme song for the Japanese drama series Hyakki Yakoushou. They have not been active since the end of 2010.