Daniel Webster Mills (February 25, 1838 – December 16, 1904) was a U.S. Representative from Illinois.

He moved to Corwin, Ohio, in 1859 and engaged in the mercantile, grain shipping, and pork-packing businesses.

During the Civil War served in the Union Army as captain of Company D, One Hundred and Eightieth Regiment, Ohio Volunteers, until the close of the war.

He engaged in lake shipping 1866–1869, and later in the real estate business.

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