"Ain't Nobody" is a song recorded by American funk band Rufus and American singer Chaka Khan. It was released on November 4, 1983, as a bonus track for their live album Stompin' at the Savoy. "Ain't Nobody" quickly gathered popularity, and reached number one on the U.S. R&B chart, and number twenty-two on the US Billboard Hot 100. It has become one of Khan's signature songs.

Rufus keyboardist David "Hawk" Wolinski wrote the song around a repeating synthesizer loop backed by a Linn LM-1 drum computer. However, drummer John J. R. Robinson played real drums for the recording session. The band did a democratic vote and they decided to include the song in their album repertoire. Once the song was recorded, Warner executives wanted to issue another song as the album's first single. Wolinski threatened to give the song to Michael Jackson and producer Quincy Jones for Thriller if the song was not the lead-off single. The label relented and "Ain't Nobody" was issued and hit number one on the R&B chart for the week ending October 15, 1983.

The song was also included in the soundtrack of the movie Breakin'.

George Michael covered the song in his 1991 "Cover To Cover" tour.

In 1994, Jaki Graham recorded the song and released a single. It reached No. 44 in the UK and number one on US Billboard Dance chart. A year later Diana King recorded a cover single, reaching No. 95 on the Billboard Hot 100, No. 4 on Billboard's Dance chart and No. 13 on the UK Singles Chart.

A commercially successful cover of "Ain't Nobody" was a version by rapper LL Cool J, who recorded an interpolation of the song for the soundtrack to the 1996 film Beavis and Butt-head Do America.

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