| Robert Ethelbert Beattie | |
| Constituency Mp: | Kootenay East |
| Parliament: | Canadian |
| Predecessor: | Saul Bonnell |
| Successor: | James Horace King |
| Term Start: | 1921 |
| Term End: | 1922 |
| Birth Date: | March 20, 1875[1] |
| Birth Place: | Ontario, Canada |
| Nationality: | Canadian |
| Party: | Liberal Party |
| Occupation: | pharmacist |
Robert Ethelbert Beattie (March 20, 1875 - May 5, 1925) was a Canadian politician and pharmacist. He was elected to the House of Commons of Canada as a Member of the Liberal Party in the 1921 election to represent the riding of Kootenay East and on February 9, 1922, he accepted an office of emolument under the Crown. He was defeated in the 1917 election as a Laurier Liberal.