Colin Neblett (July 6, 1875 – May 7, 1950) was a United States federal judge.Born in Brunswick County, Virginia, Neblett received an LL.B. from Washington and Lee University in 1897. He entered private practice in Silver City, New Mexico in 1898. He was a member of the New Mexico Territorial Legislature in 1905. He was a superintendent of schools for Grant County, New Mexico from 1907 to 1911, and was a judge on the Sixth Judicial District of New Mexico from 1912 to 1916.