| Robert MacLellan | |
| Parliament: | Canadian |
| Riding: | Inverness—Richmond |
| Term Start: | 31 March 1958 |
| Term End: | 17 June 1962 |
| Predecessor: | Allan MacEachen |
| Successor: | Allan MacEachen |
| Birth Name: | Robert Simpson MacLellan |
| Birth Date: | 2 July 1925 |
| Birth Place: | Sydney, Nova Scotia, Canada |
| Death Place: | Ottawa, Ontario, Canada |
| Spouse: | Margaret MacDonald |
| Party: | Progressive Conservative |
Robert Simpson MacLellan (2 July 1925 - 15 January 2011) was a Progressive Conservative party member of the House of Commons of Canada. He was born in Sydney, Nova Scotia and became a lawyer by career.
After an unsuccessful campaign in the 1957 federal election unseat Inverness—Richmond Liberal incumbent Allan MacEachen, MacLellan won the seat in the 1958 general election. MacLellan served one term before MacEachen regained the riding in the 1962 election.
MacLellan contracted lung cancer and died in Ottawa at age 85.[1]