Clement John Zablocki (November 18, 1912 - December 3, 1983) was a politician from the state of Wisconsin.
Zablocki was born in Milwaukee, Wisconsin and he graduated from Marquette University. Zablocki was elected to the Wisconsin State Senate in 1942. He was elected to the House of Representatives in 1948 as a Democrat. Zablocki was the chairman of the House Foreign Affairs Committee from 1977 until his death in 1983.