| Cecil George Mercer | |
| Office1: | Ontario MPP |
| Term Start1: | 1937 |
| Term End1: | 1943 |
| Predecessor1: | William John Bragg |
| Successor1: | Percy Vivian |
| Constituency1: | Durham |
| Party: | Liberal |
Cecil George Mercer was an Ontario political figure. He represented Durham in the Legislative Assembly of Ontario from 1937 to 1943 as a Liberal member.[1]