Alexandre Thurber (April 2, 1871 – April 19, 1958) was an industrialist and political figure in Quebec. He represented Chambly in the Legislative Assembly of Quebec from 1923 to 1931 and from 1935 to 1936 as a Liberal. He was born in Montreal, the son of Alexandre Thurber and Émiline Davignon who was the daughter of Pierre Davignon. Thurber was educated at the . He worked as a clerk for fifteen years and then became an iron manufacturer at Longueuil. In 1894, he married Rose-Anne Larocque. Thurber served as mayor of Longueuil from 1915 to 1925 and from 1933 to 1935.