Norris Henry Cotton (May 11, 1900 – February 24, 1989) was an American politician from the state of New Hampshire.

He also served as a member of the New Hampshire House of Representatives in 1923 as one of the youngest legislators in history.

Cotton was elected to the New Hampshire House of Representatives again in 1943, and served as majority leader that year and as Speaker from 1945 to 1947.

In 1946, Cotton was elected to the United States House of Representatives from New Hampshire's 2nd congressional district for the first time.

Three days before his final term ran out, Cotton resigned to allow the governor to appoint Louis C. Wyman.

[11] There is a New Hampshire historical marker (number 231) in Warren, unveiled in 2012, which says that his rise from humble beginnings "embodied an American way of life.