William Harold Cunningham (born October 15, 1944)[1] is an American former prosecutor and former Justice of the Kentucky Supreme Court.

Cunningham served the court system in several capacities before entering his judicial career.

He was the Eddyville city attorney from 1974 to 1991 and public defender for the Kentucky State Penitentiary from 1974 to 1976.

During his tenure in that position, he was voted the Outstanding Commonwealth Attorney of Kentucky by his peers.

Cunningham also served as a hearing officer for the Kentucky Board of Claims from 1981 to 1985 and as a trial commissioner for the Lyon County District court from 1989 to 1992.