John Thomson Mason (disambiguation)
# John Thomson Mason (disambiguation)

John Thomson Mason may refer to:

* John Thomson Mason (1765–1824), American jurist and Attorney General of Maryland in 1806
* John Thomson Mason (1787–1850), American lawyer, United States marshal, Secretary of Michigan Territory from 1830 through 1831
* John Thomson Mason, Jr. (1815–1873), U.S. Representative from Maryland, son of John Thomson Mason (1765–1824)
