Lamar Jeffers (April 16, 1888 – June 1, 1983) was an American World War I veteran and politician who served seven terms as a U.S. Representative from Alabama from 1921 to 1935.

He served as clerk of the circuit court of Calhoun County, taking office in January 1917.

Jeffers resigned that office in May 1917 and entered the U.S. Army, serving with the Eighty-second Division in France.

Jeffers was elected as a Democrat to the Sixty-seventh Congress to fill the vacancy caused by the death of Fred L. Blackmon.

This article incorporates public domain material from the Biographical Directory of the United States Congress