| Clement Steele Clarke | |
| Birth Place: | Marietta, Ohio, U.S. |
| Birth Date: | 9 October 1897 |
| Death Place: | Shreveport, Louisiana, U.S. |
| Resting Place: | Greenwood Cemetery in Shreveport |
| Spouse: | Ellen Meng Lanham Clarke |
| Children: | 1 |
| Occupation: | Oilman |
| Alma Mater: | Cornell University |
| Party: | Republican nominee for the United States Senate, 1948 |
Clement Steele Clarke (October 9, 1897 - March 28, 1967) was an American politician from Shreveport, Louisiana, who was the first member of the Louisiana Republican Party to run for the United States Senate since implementation in 1914 of the Seventeenth Amendment to the United States Constitution. He lost the 1948 race to Democrat Russell B. Long, the older son of Huey Pierce Long Jr.
Clarke's first marriage was to Marjorie Terry, daughter of Dr. Roy A. Terry of Long Beach, California. The couple wed on July 13, 1934.[1] The couple soon divorced, and Marjorie Clark married Donald Ballard on December 22, 1936.