Rock DJ is a song by English singer-songwriter Robbie Williams, featured on his third studio album, Sing When You're Winning (2000). The song samples Barry White's song "It's Ecstasy When You Lay Down Next to Me" and also contains a sample of "Can I Kick It?" by A Tribe Called Quest and has a quote from "La Di Da Di" by Slick Rick and Doug E. Fresh.
Rock DJ was the fourth best selling song of 2000 in the United Kingdom. The music video features Williams trying to impress a female DJ by stripping naked and then removing his skin and muscles, ending up as a skeleton. The song won Best British Single and the video won Best Music Video at the 2001 BRIT Awards.