Johnny Duhan (30 March 1950 – 12 November 2024) was an Irish singer-songwriter.

He started his career as the 15-year-old frontman of the Irish beat group Granny's Intentions.

Duhan left the music industry to start writing folk songs, poetry, and prose.

His songs have been performed by Christy Moore, The Dubliners, Mary Black, and other Irish and international singers.

Christy Moore stated that his song "The Voyage" has been performed at over a million weddings worldwide.