Acid Rap is the second mixtape by American hip hop recording artist Chance The Rapper, originally released on April 30, 2013 as a free digital download. In early July 2013, the mixtape debuted at number 63 on the BillboardTop R&B/Hip-Hop Albums, due to bootleg downloads on iTunes and Amazon not affiliated with the artist.
Acid Rap was met with universal acclaim from music critics. At Metacritic, the mixtape received an average score of 86, based on 21 critics, which indicates "universal acclaim". It was also nominated for Best Mixtape at the 2013 BET Hip Hop Awards. The mixtape was ranked at number 26 on Rolling Stone's list of the 50 best albums of 2013. It was also ranked at number 12 on Pitchfork's Top 50 Albums of 2013.