The 1972 United States House of Representatives elections in Ohio saw William J. Keating, Donald D. Clancy, and  Charles W. Whalen Jr. (who enlisted in the United States Army during World War II and was discharged as a first lieutenant in 1946), all from the Republican party, and all incumbent, re-elected.
William J. Keating Republican Incumbent re-elected. Donald D. Clancy Republican Incumbent re-elected. Charles W. Whalen Jr. Republican Incumbent re-elected. He enlisted in the United States Army during World War II and was discharged as a first lieutenant in 1946. 
