Lewis Henry Haney (March 30, 1882–July 1, 1969) was an American economist, born at Eureka, Ill, and educated at Wesleyan University, Bloomington, Ill.

Professor Haney lectured at New York University in 1908, afterwards teaching at the universities of Iowa and Michigan, and was a professor of economics at the University of Texas. In 1920, he became director of the New York University Bureau of Business Research and professor of economics. He was a syndicated columnist on economics for many years; a conservative, he attacked many aspects of the New Deal. He retired from teaching in 1955.

He was married with a daughter and was an Episcopalian.

He wrote:

• A Congressional History of Railways, (volume i, 1908; volume ii, 1910)
• History of Economic Thought, (1911, revised edition, 1919)
• Business Organization and Combination, (1913); and various articles on economic subjects for periodicals.

He died of a stroke in Roslyn, New York