"Faith" (stylized as "FAITH") is the single by Japanese singer-songwriter Rina Aiuchi. It was released on 11 April 2001 through Giza Studio, as the lead single from her second studio album Power of Words. The song served as the theme song to the Japanese television show '. The song reached number eight in Japan and has sold 63,510 copies nationwide.
|- ! scope="row"| Japan (RIAJ) | | 63,510 |-