| Honorific-Prefix: | The Honourable |
| Hugh Alexander Stewart | |
| Constituency Mp: | Leeds |
| Parliament: | Canadian |
| Term Start: | December 6, 1921 |
| Term End: | March 25, 1940 |
| Predecessor: | William Thomas White |
| Successor: | George Taylor Fulford |
| Birth Date: | 29 September 1871 |
| Birth Place: | Elizabethtown Township, Ontario, Canada |
| Party: | Conservative |
| Cabinet: | Minister of Public Works (1930–1935) |
Hugh Alexander Stewart, (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. He was defeated in 1940. From 1930 to 1935, he was the Minister of Public Works.