Delos Rodeyn Ashley was a California and Nevada politician who served as State Treasurer of California and a member of the United States House of Representatives from Nevada.

The state treasurer of California is a constitutional officer in the executive branch of the government of the U.S. state of California. Thirty-five individuals have held the office of state treasurer since statehood. The incumbent is Fiona Ma, a Democrat. The state treasurer's main office is located in the Jesse M. Unruh State Office Building in Sacramento.