Dudley Chase Denison (September 13, 1819 – February 10, 1905) was a nineteenth-century politician and lawyer from Vermont.

[1] He attended Royalton Academy and graduated third in his class from the University of Vermont in 1840.

[4] From 1864 to 1869, Denison served as the United States Attorney for the District of Vermont.

[6] He was elected as an Independent Republican candidate to the 44th United States Congress and reelected as a Republican candidate to the 45th United States Congress, serving from March 4, 1875, until March 3, 1879.

After serving in Congress, Denison resumed the practice of law in Royalton.