| Thomas Matchett | |
| Office1: | Ontario MPP |
| Term Start1: | 1867 |
| Term End1: | 1871 |
| Predecessor1: | Riding established |
| Successor1: | Samuel Wood |
| Constituency1: | Victoria South |
| Party: | Liberal |
| Birth Date: | 3 May 1826 |
Thomas Matchett (May 3, 1826 - January 10, 1900) was an Ontario businessman and political figure. He represented Victoria South in the Legislative Assembly of Ontario as a Liberal member from 1867 to 1871.
Matchett, who owned a pharmacy in Omemee, Ontario, was defeated by Samuel Casey Wood for the same seat in the 1871 election. He served as clerk for Victoria County from 1876 to 1900, replacing Wood in that post. In 1850, he had married Letitia Jane Hughes.