"Let Me Know" is a song by Irish recording artist Róisín Murphy from her second solo studio album, Overpowered. Written and produced by Murphy and Andy Cato of Groove Armada, the song was released as the album's second single on 8 October 2007. "Let Me Know" reached number twenty-eight in the United Kingdom, becoming Murphy's highest-peaking solo hit to date. The track is based on Tracy Weber's 1981 song "Sure Shot" and D. Train's 1982 song "Keep On".