Hugh Alexander Stewart, PC (September 29, 1871 – September 4, 1956) was a Canadian politician.

Born in Elizabethtown Township, Ontario, he was elected to the House of Commons of Canada representing the Ontario riding of Leeds in the 1921 federal election.

A Conservative, he was re-elected in 1925, 1926, 1930, and 1935.

From 1930 to 1935, he was the Minister of Public Works.

This article about a historical Conservative Party of Canada Member of the Parliament of Canada is a stub.