Alan Glen (born December 21, 1951, Wuppertal, Germany) is a British blues harmonica player, best known for his work with The Yardbirds, Nine Below Zero, Little Axe, and his own bands, The Barcodes and The Incredible Blues Puppies.
Glen started playing harmonica after seeing Muddy Waters, and the 'American Folk-Blues Festivals' which visited London in the late 1960s and early 1970s. His early influences being Little Walter, Sonny Boy Williamson, and Junior Wells. Early bands he was involved with were Crowjane Bluesband, The Radical Sheiks and Brothers Grimm, before going on to join Nine Below Zero (1991–1995), and The Yardbirds (1996–2003 and 2008–2009).
Glen has played on over 50 albums and recorded/performed with: Alannah Myles, Jeff Beck, Steve Vai, Slash, John Mayall, Steve Lukather, Skunk Baxter, (on the Yardbirds' album Birdland) and he recorded six albums with Little Axe. In addition he appeared alongside Alan Barnes, Jim Mullen and Roger Cotton on the With Friends Like These album for the Barcodes, which also included Zoot Money. He played with Peter Green, Paul Jones, Junior Delgado and Hubert Sumlin at the Long Beach Blues Festival.
Alan Glen was the second man on the Kilgraston & Moncrieffe CC (from Perth, Scotland) during the World Curling Championships in 1963 – The Scotch Cup.