"Mr. Carter" is a song by American hip hop recording artist Lil Wayne, released July 1, 2008, as a promotional single from his highly acclaimed sixth studio album Tha Carter III (2008). The song, produced by DJ Infamous and Andrews "Drew" Correa, features a guest appearance from fellow American rapper Jay-Z. In the song, Wayne borrows lyrics from Jay-Z's song "Lucky Me", from his 1997 album In My Lifetime, Vol. 1. Lil Wayne had said that this track is his favorite from Tha Carter III.
This song was nominated for Best Rap Performance by a Duo or Group at the 51st Grammy Awards.