Creighton Leland Robertson (March 6, 1944 - October 24, 2014) was ninth bishop of the Episcopal Diocese of South Dakota from 1994 to 2009.
Robertson was born in Kansas City, Missouri and was a citizen of the Sisseton Wahpeton Oyate.
He graduated from the North Dakota State College of Science with an associate degree in printing in 1964, followed by a bachelor's degree in history from Black Hills State University in 1971.
In 1986, Robertson studied for the Episcopalian ministry at the University of the South and graduated with an M.Div.
He was consecrated as a bishop on June 19, 1994, by Edmond L. Browning, Harold S. Jones, and Craig Anderson.