Richard Daniel Warren is an English musician, songwriter and producer.

Spiritualized are an English rock band formed in 1990 in Rugby, Warwickshire, by Jason Pierce, formerly of Spacemen 3. After several line up-changes, in 1999, the band centered on Pierce, Doggen Foster (guitar) and Kevin Bales with revolving bassists and keyboard players. The band's current bassist, James Stelfox, has been playing with the band since 2012.