"One" (capitalized as "ONE") is a song recorded by Japanese recording artist Ami Suzuki for her seventh studio album, Supreme Show (2008). It was written and produced by Japanese producer and Capsule member Yasutaka Nakata. The track is Suzuki's third single with Nakata after her August 2007 single's "Free Free" and "Super Music Maker". "One" premiered on June 18, 2008, as the lead single from the album.