Al Piantadosi (born John Alberto Joseph Piantadosi) August 18, 1882 New York City – April 8, 1955 Encino, California) was an American composer of popular music during the heyday of Tin Pan Alley.
He started out as a saloon and vaudeville pianist and rapidly flourished as a songwriter.
For about ten years — from 1918 to 1928, he was an independent music publisher.