"Baby Boy" is a R&B–reggae song by American singer Beyoncé Knowles. It features a reggae toast by Jamaican artist Sean Paul. The track was produced by Knowles and Scott Storch for her debut solo album Dangerously in Love. "Baby Boy" was written by Knowles, Storch, Robert Waller, Jay-Z and Sean Paul.
"Baby Boy" was released on October 14, 2003 in the United States as the second single from the album. The single was a commercial success, and topped the US Singles Chart for nine consecutive weeks. .