Ian McLagan (born Ian Patrick McLagan, 12 May 1945, Hounslow, Middlesex) is an English keyboard instrumentalist, best known as a member of Small Faces, and Faces.
An in-demand player, he has led his own Bump Band since 1977. They played at the 2006 Austin City Limits Music Festival, and opened for The Rolling Stones in Austin, Texas in 2006. McLagan can be heard on hundreds of session tracks, and has released several solo albums. His session work has backed artists such as Jackson Browne, Joe Cocker, Bob Dylan, Melissa Etheridge, Bonnie Raitt, Izzy Stradlin, Frank Black, Nikki Sudden and Bruce Springsteen among many others.
McLagan has been a member of Billy Bragg's band since 1997. He currently lives in Austin and does gig nights at local clubs and bars.