Robert McKenzie (1 February 1875 – 15 January 1942) was a Liberal party member of the House of Commons of Canada. He was born in Jarvis, Ontario and became an agent. McKenzie attended school at Walpole Township, then studied at Ontario Veterinary College. From 1910 to 1926, he was Secretary-Treasurer of Tecumseh No. 65, Saskatchewan, including municipal and school board service at the village of Stoughton. In 1925 and 1926, he was the director for the Saskatchewan Rural Municipal Association. In 1931, he began to serve on the Canadian Order of Foresters executive committee.