Arthur Lee Kinsolving Jr. (August 30, 1938 – December 4, 1974), known professionally as Lee Kinsolving, was an American film, theater and television actor. In 1960, Kinsolving was nominated for a Golden Globe for Best Supporting Actor at the 18th Golden Globe Awards for his role as Sammy Goldenbaum in the film The Dark at the Top of the Stairs. He lost the award to actor Sal Mineo.

He played Ethan Wechsler in the original series episode "The Children of Spider County".