James B. Milliken (August 7, 1900 – August 11, 1988) was an American jurist and Democratic politician who served as a judge of the Kentucky Court of Appeals for 24 years from 1951 to 1975. During his period of service, the Court of Appeals was the highest court in Kentucky. The Kentucky Supreme Court was not created until 1975, the year Milliken retired. He served three terms as chief justice, 1956-57, 1963-64 and, 1971-73.
Milliken was born in Louisville, Kentucky in 1900, grew up in northern Kentucky and graduated from Centre College where he was a member of Phi Kappa Tau Fraternity. He graduated from Yale Law School in 1926. He taught school before beginning his practice of law in Campbell County, Kentucky where he became city attorney of Southgate, Kentucky. He later became a Kentucky State Representative and served as Chairman of the Kentucky Workers Compensation Board.