Angus Cameron (July 4, 1826-March 30, 1897) was a Republican and a member of the United States Senate from Wisconsin from 1875-1881, when he did not seek reelection, and again from 1881-1885, when he was elected to succeed Matthew H. Carpenter, who died in office; he did not seek reelection in 1885. He was born in Caledonia, New York, and went to public schools and to Genesse-Wesleyan Seminary in Lima, New York, which is now Syracuse University. He graduated from law school in Ballston Spa, New York, and went into banking and law in Buffalo, New York.
In 1857, Angus Cameron moved to La Crosse, Wisconsin. Angus Cameron served in the Wisconsin State Senate from 1863-1864, and 1871-1872 and in the Wisconsin State Assembly where he served as its speaker. He also served as regent on the University of Wisconsin board of regents. Angus Cameron was active in civic affairs and was involved in law and banking, and helped founded Christ Church of La Crosse in La Crosse. He died in La Crosse and was buried there.