"Reaction" is a song by American R&B singer Rebbie Jackson and the title track from her album of the same name, released as a single in 1986.

The single peaked at number fifteen on the Billboard dance chart and number sixteen on the Billboard R&B chart.

The single was released on a 12" format, including an extended dance mix, radio edit, and dub.

The single was also released in a 7" format, including a radio edit and instrumental version.

This 1980s R&B/soul music song-related article is a stub.