"Break It Off" is a song by Barbadian singer Rihanna from her second studio album A Girl like Me (2006), and features guest vocals from Sean Paul. It was written by Donovan Bennett, Paul, K. Ford and Rihanna, while production was handled by Don Corleon. The song was released on November 13, 2006, as the album's fourth and final single. "Break It Off" is a futuristic pop-dancehall and R&B song, which is layered over an electro-reggae beat.

Critical reception of the song was positive, with reviewers praising the collaboration between Rihanna and Paul and as a return to the former's roots. "Break It Off" reached number eight in Portugal and number nine in the US. Rihanna performed the song at Radio One Big Weekend in 2007 and it was included on the set list of her Good Girl Gone Bad Tour (2007–2009), and was subsequently included on the accompanying DVD release, entitled Good Girl Gone Bad Live.