"Bump, Bump, Bump" is a 2003 hit single by B2K featuring P. Diddy, taken from their album "Pandemonium!". It was written by R. Kelly and Varick Smith and produced by R. Kelly. It became B2K's first top 10 hit on the Billboard Hot 100 singles chart, and reached number one for one week starting on February 1, 2003. The video was released in December 2002 and features the boys and P.Diddy in colorful rooms with female dancers.

The song is heavily referenced in the 2005 film Guess Who.