Charles Brents Kennamer (November 25, 1874 – June 3, 1955) was a United States federal judge.
Born in Marshall County, Alabama, Kennamer attended Georgetown University, and read law to enter the bar in 1903. He was in private practice in Guntersville, Alabama from 1903 to the present. He was a County solicitor, Marshall County, Alabama from 1905 to 1906. He was an assistant U.S. Attorney of the Northern District of Alabama from 1907 to 1914. He was a Special assistant U.S. attorney of Northern District of Alabama from 1914 to 1916. He was the United States Attorney for the Northern District of Alabama from 1922 to 1931.
On January 24, 1931, Kennamer was nominated by President Herbert Hoover to a joint seat on the United States District Court for the Northern District of Alabama and the United States District Court for the Middle District of Alabama vacated by Henry D. Clayton. Kennamer was confirmed by the United States Senate on February 20, 1931, and received his commission on February 25, 1931. Kennamer served in that capacity until June 5, 1936, when he was reassigned by operation of law to serve only on the Middle Districtt. Kennamer served in that capacity until his death.