| Charles Robert Harrison | |
| Birth Date: | July 3, 1868 |
| Birth Place: | Frodingham, Lincolnshire, England |
| Office1: | MP for Nipissing |
| Term Start1: | March 18, 1918 |
| Term End1: | October 4, 1921 |
| Predecessor1: | Francis Cochrane |
| Successor1: | Edmond Lapierre |
| Office2: | MPP for Nipissing |
| Term Start2: | October 29, 1930 |
| Term End2: | April 3, 1934 |
| Successor2: | Théodore Legault |
| Party: | Unionist/Conservative |
Charles Robert Harrison (July 3, 1868 - February 7, 1946) was a Canadian politician. He represented the riding of Nipissing in the House of Commons of Canada from 1917 to 1921. He was a Conservative member of Robert Borden's Unionist caucus.
Harrison, who was born in Frodingham, Lincolnshire, England, was a train conductor before entering politics.
He served only a single term, and was defeated by Edmond Lapierre in the 1921 election. He subsequently served a term in the Legislative Assembly of Ontario, representing the provincial electoral district of Nipissing from 1930 to 1934 as a member of the Conservatives.