| Reginald (Reg) Cantelon | |
| Birth Date: | 1902 9, df=y |
| Birth Place: | Indian Head, Northwest Territories |
| Death Place: | Unity, Saskatchewan |
| Spouse: | Elma Vivienne Baldwin m. 13 Aug 1929[1] |
| Residence: | Unity, Saskatchewan |
| Riding: | Kindersley |
| Term Start: | April 1963 |
| Term End: | June 1968 |
| Profession: | school principal, teacher |
| Party: | Progressive Conservative |
Reginald W. Cantelon (24 September 1902 – 2 September 1993) was a Progressive Conservative Party member of the House of Commons of Canada. He was born in Indian Head, Northwest Territories and became a school principal and teacher by career.
He was first elected at the Kindersley riding in the 1963 general election after an unsuccessful attempt to win the riding in the 1957 election. Cantelon was re-elected in the 1965, but defeated by Rod Thomson of the New Democratic Party in the 1968 election, when Cantelon's riding was changed to Battleford—Kindersley.