| Timothy Thompson Sawyer | |
| Office: | Fourth Mayor of Charlestown, Massachusetts |
| Term Start: | 1855 |
| Term End: | 1857 |
| Predecessor: | James Adams |
| Successor: | James Dana |
| Office2: | Member of the Massachusetts State Senate First Middlesex District |
| Term Start2: | 1858 |
| Term End2: | 1858 |
| Predecessor2: | Joseph White |
| Successor2: | Eugene L. Norton |
| Office3: | Member of the Massachusetts House of Representatives |
| Term Start3: | 1857 |
| Term End3: | 1857 |
| Office4: | Member of the School Committee of the Town of Charlestown, Massachusetts |
| Term Start4: | 1843 |
| Term End4: | 1845 |
| Office5: | Town Assessor of the Town of Charlestown, Massachusetts |
| Term Start5: | 1841 |
| Term End5: | 1841 |
| Birth Date: | January 7, 1817 |
| Birth Place: | Charlestown, Massachusetts |
| Residence: | 46 High Street, Charlestown, Massachusetts |
| Death Date: | September 4, 1905 (aged 88) |
| Death Place: | Magnolia, Massachusetts |
| Occupation: | Ship's Chandeler, Ice Business, Banker |
| Signature: | TTSawyerSignature.png |
Timothy Thompson Sawyer (January 7, 1817 - September 4, 1905) was a Massachusetts politician who served in both branches of the Massachusetts legislature, and as the fourth mayor of Charlestown, Massachusetts.
Sawyer was born January 7, 1817, in Charlestown, Massachusetts, to William and Susana (Thompson) Sawyer. Sawyer was educated in the Charlestown public schools.
After he left school, Sawyer went to work for an uncle who was engaged in the ship chancellery and hardware business. Sawyer later carried on the business himself for a number of years.