Daniel Webster Gill (April 18, 1856 – October 27, 1933) was an American politician who served as the 23rd and 26th Mayor of Cheyenne, Wyoming and in the Wyoming Senate as a Democrat.

He graduated from the Connecticut Literary Institution and being a clerk in Springfield, Massachusetts.

In 1890, he became involved in selling real estate in Cheyenne.

[2] In 1904, he was appointed as the United States commissioner for the Cheyenne district and held the position until his death.

[3] He died at a hospital in Cheyenne, Wyoming on October 27, 1933.