"Ain't Nobody" is an R&B/hip hop soul mid-tempo song produced by Dallas Austin for American R&B singer Monica. It was featured on the Nutty Professor official soundtrack, and also was released as Miss Thang's fourth and final single on a double A-side with "Why I Love You So Much" on May 20, 1996 (see 1996 in music). The double-A-side single became Monica's fourth top ten hit on the U.S. Billboard Hot 100 (Consecutive), reaching number 9 and number 3 on the Hot R&B/Hip-Hop Singles & Tracks chart.

The music video for "Ain't Nobody" was directed by David Nelson (Known for his work for Donell Jones, Da Brat, 2Pac, R. Kelly & Nicole Wray) and was filmed in the Staten Island Ferry, in New York City. It also features scenes from the Nutty Professor movie, cut between Monica & Treach's scenes.

These are the formats and track listings of major single-releases of "Ain't Nobody"