Sonny Boy Nelson (December 23, 1908 – November 4, 1998) was an American blues musician. Nelson sang and played many instruments, including banjo, guitar, harmonica, horn, mandolin and violin. He was born Eugene Powell, in Utica, Mississippi, United States, the child of an interracial affair and his white father soon abandoned the family. His family soon moved to a plantation at Lombardy, near Shelby, Mississippi. Nelson learned to play the guitar by the age of seven.