Radio X is a national digital alternative rock music station in the UK, owned by Global. It originally launched as Xfm in 1992 and rebranded as Radio X in 2015. The station focuses on indie and rock music, featuring both classic tracks and new releases.

Radio X broadcasts nationally on DAB digital radio and FM in London and Manchester. Its lineup includes high-profile presenters like Chris Moyles on the breakfast show and Johnny Vaughan on drive time. The station aims to be the home of the biggest personalities in UK radio.

In addition to its main station, Radio X has recently launched several spin-off digital stations: Radio X Chilled, Radio X 90s, and Radio X 00s. These offer more specialized alternative music programming focused on relaxing tracks, 90s hits, and 2000s songs respectively.

Radio X's schedule features a mix of music-focused shows and personality-driven programs. Popular segments include The Kickabout with Johnny Vaughan on weekends and John Kennedy's new music show X-Posure. The station targets rock and indie music fans with its "Get into the music" slogan.