Colin James Hay (born 29 June 1953) is a Scottish-born Australian-American musician who emigrated to Australia in his youth. He is a singer, songwriter, and actor. He came to prominence as the lead vocalist of the band Men at Work and later as a solo artist. Hay's music has been used frequently by actor and director Zach Braff in his work, which helped a career rebirth in the mid-2000s. Hay has also been a member of Ringo Starr's Ringo Starr & His All-Starr Band.
Hay has made appearances in movies such as Cosi and in television shows such as The Larry Sanders Show, JAG, The Mick Molloy Show, A Million Little Things, and Scrubs. along with episodes of ABC's What About Brian, NBC's The Black Donnellys, CBS's Cane, and the BBC hospital drama Casualty, have included performances of some of his previous songs; in Scrubs he performs an acoustic version of the Men at Work hit "Overkill".