Angus Cameron (July 4, 1826 – March 30, 1897) was a Scottish American lawyer, banker, and Republican politician from La Crosse, Wisconsin.

He served ten years as a United States Senator, representing Wisconsin from 1875 to 1885.

In 1857, Cameron moved to La Crosse, Wisconsin, where he continued his legal and banking careers.

Cameron also served on the University of Wisconsin Board of Regents from 1866 to 1875, and helped found Christ Church of La Crosse.

In February 1881 Senator Matthew H. Carpenter died in office, and on March 10 Cameron was elected to complete the remaining four years of his six-year term.