Thomson Mason may refer to:
- Thomson Mason (1733–1785), Virginia lawyer, jurist, and Chief Justice of the Supreme Court of Virginia
- Thomson Mason (1759–1820) (1759–1820), entrepreneur, planter, civil servant, and justice
- Thomson Francis Mason (1785–1838), jurist, lawyer, councilman, judge, and the mayor of Alexandria, District of Columbia (now Virginia) between 1827 and 1830