"I Wanna Know" is a song by American R&B singer Joe. It was written by Joe, Joylon Skinner and Michele Williams for his third studio album My Name Is Joe, which was released on April 18, 2000, while production was helmed by Joe and Tony Nicholas, featuring additional credit from Timmy Allen. It also appeared on the soundtrack to the film The Wood (1999). Released as a single in 1999, it reached number four on the US Billboard Hot 100 and number two on the Hot R&B/Hip-Hop Singles & Tracks chart. The song was ranked fourth on the Billboard Hot 100's 2000 year-end chart.