Colin James Hay (born 29 June 1953) is a Scottish-Australian musician. He came to prominence as the lead vocalist and the sole continuous member of the band Men at Work, and later as a solo artist. Hay is a member of the band Ringo Starr & His All-Starr Band.

Hay has made appearances in films such as Cosi (1996) and in television shows such as The Resident, The Larry Sanders Show, JAG, The Mick Molloy Show, A Million Little Things, and Scrubs. In Scrubs, he performs an acoustic version of the Men at Work hit "Overkill" in the first episode of the second season titled, My Overkill, along with a bit of the acoustic version of "Down Under" during a cutaway of the second episode of the seventh season titled, My Hard Labor. His music also appeared in the television series What About Brian, The Black Donnellys, Cane, and the BBC medical drama Casualty.