Lucien Barbarin (July 17, 1956 – January 30, 2020) was an American trombone player. Barbarin toured internationally with the Preservation Hall Jazz Band and with Harry Connick Jr. He made his debut at the age of six, playing drums in the Onward Brass Band, with his great-uncle Paul Barbarin. Connick’s recording of "How Great Thou Art" from the CD Alone with My Faith is dedicated to him.