| Roy Knight | |
| Birthname: | Robert Ross (Roy) Knight |
| Birth Date: | 1891 12, df=yes |
| Birth Place: | Cookstown, County Tyrone, Northern Ireland |
| Spouse: | Ellen Davidson (m. 18 December 1916) |
| Riding: | Saskatoon City |
| Predecessor: | Alfred Henry Bence |
| Successor: | riding dissolved |
| Term Start: | June 1945 |
| Term End: | June 1949 |
| Riding2: | Saskatoon |
| Predecessor2: | riding re-established |
| Successor2: | Henry Frank Jones |
| Term Start2: | June 1949 |
| Term End2: | June 1957 |
| Profession: | farmer, teacher |
Robert Ross "Roy" Knight (12 December 1891 - 11 September 1971) was a Co-operative Commonwealth Federation member of the House of Commons of Canada. He was born in Cookstown, County Tyrone, Northern Ireland and became a farmer and teacher by career.
Knight lived in Northern Ireland during his childhood, attending the Royal School Dungannon. He moved to Canada in 1909, attended Saskatoon Normal School, then Queen's University in Kingston, Ontario, where he received his Bachelor of Arts.[1]
He was first elected at the Saskatoon City riding in the 1945 general election, then re-elected at Saskatoon in 1949 and again in 1953. Knight was defeated by Henry Frank Jones of the Progressive Conservative party in the 1957 election. Knight was again unsuccessful there in 1958.