Charles Elmer Dietrich (July 30, 1889 – May 20, 1942) was a Democratic member of the U.S. House of Representatives from Pennsylvania for one term from 1935 to 1937.
Charles E. Dietrich was born in Tunkhannock, Pennsylvania.
He graduated from Wyoming Seminary in Kingston, Pennsylvania, in 1907.
He served as prothonotary and clerk of the courts of Wyoming County, Pennsylvania, from 1920 to 1935.
In 1934 Dietrich defeated disgraced incumbent Louis T. McFadden and was the only Democrat to win the 15th district between 1912 and 1950.