William Crofut III (December 14, 1935 – January 25, 1999) was an American folksinger. During his career he recorded more than 20 albums and CDs in genres ranging from folk, children's songs, jazz, to classical. He also gave concerts in more than fifty countries, and appeared at the White House and Carnegie Hall. His musical influences included Pete Seeger, clarinetist Tony Scott, and pianist Peter Lang. Crofut also experimented with different performance styles and instrumentations, such as performing classical music on the banjo.