"You Don't Know My Name" is a song by American recording artist Alicia Keys from her second studio album, The Diary of Alicia Keys. Written by Keys, Kanye West and Harold Lilly, and produced by Keys and West, the track was released as the album's lead single in November 2003, and contains a sample from the 1975 song "Let Me Prove My Love to You", written by J. R. Bailey, Mel Kent, and Ken Williams and performed by The Main Ingredient.