Theodore Carl Diers (December 4, 1880 – December 11, 1942) was an American actor, politician, and writer who served in the Wyoming House of Representatives and Wyoming Senate as a member of the Democratic Party.

In 1897, he graduated from the Lincoln Business College and became a bookkeeper at the First National Bank of Seward.

[5] During World War I he served as the Federal Food Administrator for Wyoming.

Diers then served in the Wyoming Senate from 1915 to 1919, to succeed John B. Kendrick, who was elected as governor, and was a member of the Mines and Mineral Products, Sanitary and Medical Affairs, Railroads and Transpiration, and Judiciary committees.

On December 11, 1942, he died at his home in Lincoln, Nebraska from a heart attack and following his death "A Prayer for Peace", one of his unpublished songs, was sung by Carl Schaefer at his funeral.