| Thomas Aston Blakelock | |
| Parliament1: | Ontario Provincial |
| Term Start1: | 1929 |
| Term End1: | 1943 |
| Predecessor1: | George Hillmer |
| Successor1: | Stanley Hall |
| Riding1: | Halton |
| Office2: | Mayor of Oakville |
| Term Start2: | 1929 |
| Term End2: | 1929 |
| Predecessor2: | W.N. Robinson |
| Successor2: | J.B. Moat |
| Birth Date: | 10 August 1883 |
| Birth Place: | Pickering, Yorkshire, England |
| Party: | Liberal-Progressive |
| Otherparty: | Ontario Liberal Party |
| Spouse: | Isabel Parnaby |
Thomas Aston Blakelock (August 10, 1883 - January 16, 1974)[1] was an English-born merchant, building contractor and political figure in Ontario, Canada. He represented Halton in the Legislative Assembly of Ontario from 1929 to 1943 as a Liberal-Progressive member.
Born in Pickering, Yorkshire, the son of James Blakelock and Mary Bulman,[2] he moved to Canada in 1906, establishing a lumber company with his brother James Bulman Blakelock. Blakelock sat on the town council for Oakville and was also deputy reeve, reeve and mayor, as well as warden of Halton County. In 1909, he married Isabel Parnaby.[2] [3] Blakelock was also building commissioner for the Oakville Board of Education. He died in 1974 and T. A. Blakelock High School was named in his honour.[4]