Geoffrey Arnold Beck (24 June 1944 – 10 January 2023) was an English guitarist. He rose to prominence as a member of the rock band the Yardbirds, and afterwards founded and fronted the Jeff Beck Group and Beck, Bogert & Appice. In 1975, he switched to an instrumental style with focus on an innovative sound, and his releases spanned genres and styles ranging from blues rock, hard rock, jazz fusion and a blend of guitar-rock and electronica.

Beck has been consistently ranked in the top five of Rolling Stone and other magazines' lists of the greatest guitarists.[5][6][7][8] He was often called a "guitarist's guitarist".[9] Rolling Stone described him as "one of the most influential lead guitarists in rock".[10] Although he recorded two successful albums (1975's Blow by Blow and 1976's Wired) as a solo act, Beck did not establish or maintain commercial success like that of his contemporaries and bandmates.[9][3] He recorded with many artists