| Honorific-Prefix: | The Honourable |
| Robert Jaffray | |
| Office: | Senator for Toronto, Ontario |
| Appointed: | Wilfrid Laurier |
| Term Start: | March 8, 1906 |
| Term End: | December 16, 1914 |
| Birth Date: | 23 January 1832 |
| Birth Place: | Skeoch Farm near Bannockburn, Scotland |
| Death Place: | Toronto, Ontario, Canada |
| Party: | Liberal |
Robert Jaffray (January 23, 1832 - December 16, 1914) was a Canadian grocer, publisher (The Globe), and politician. A Liberal, he was appointed to the Senate of Canada on 8 March 1906 on the recommendation of Sir Wilfrid Laurier. He represented the senatorial division of Toronto, Ontario until his death. He is buried in Toronto's Mount Pleasant Cemetery.
His son Robert A. Jaffray was a Christian missionary to China who was trained by A.B. Simpson.