List of Billboard number-one R&B/hip-hop albums of 2004

This page lists the albums that reached number-one on the Top R&B/Hip-Hop Albums and Top Rap Albums charts in 2004, which had been recently created in 2004. The Rap Albums chart, first published by Billboard in November 2004, partially serves as a distillation of rap-specific titles from the overall R&B/Hip-Hop Albums chart.