Michel Alcan (21 May 1810 – 26 January 1877) was a French engineer, politician, and author; born at Donnelay, in the department of Meurthe-et-Moselle, France, died at Paris.
During his youth his merits as a mechanical engineer were recognized by the Society of the Friends of Labor, which awarded to him its silver medal.
In Paris he took part in the political events connected with the revolutions of 1830 and 1848.
In the latter year he was elected to the National Assembly, and voted with the advanced political party called "The Mountain." After his political career, he resumed his early studies and graduated from the École Centrale as engineer.