Charles Allan Smart CMG (March 23, 1868 – June 4, 1937) was a Canadian politician and a seven-term Member of the Legislative Assembly of Quebec.

The son of Robert Smart, a shoemaker, originally from Aberdeen, and his wife Margaret Clark, from Arbroath, he was educated at the High School of Montreal.

In 1881, he left school and became a clerk for with Alexander Buntin and Co., a stationery firm.

He successfully ran as a Conservative candidate in the provincial district of Westmount in the 1912 election.

Smart was appointed to the Legislative Council of Quebec in 1936, but the institution did not resume its activities until after he died.