Reuben Rupert Jamieson, also known as Reuben Roper Jamieson, (December 12, 1856 – May 30, 1911) was the 16th mayor of Calgary, Alberta. Jamieson was born in Westover, Ontario and educated in Hamilton, Ontario. His career between 1873 and 1902 was working for various railways. This included the Canadian Pacific Railway, which brought him to Calgary in 1903 as the area general superintendent. Along with his wife, Reuben Jamieson was a Christian Scientist, and a long-time member of First Church of Christ, Scientist, Calgary.