Alexandre Bareil, dit Lajoie (August 8, 1822 – November 1862) was a farmer and political figure in Canada East.
He represented Lanaudière division in the Legislative Council of the Province of Canada in 1862.
He was born in Maskinongé, the son of Alexis Bareil, dit Lajoie and Esther Roy, and was educated at the Séminaire de Nicolet.
He also served as justice of the peace and secretary-treasurer for the school board.
Bareil dit Lajoie died in office on November 18 or 19 in 1862 at the age of 40.