•
Thomas Campbell (Australian politician) (1845–1885), member of the Queensland Legislative Assembly •
Thomas B. Campbell (1788–1885), New York state assemblyman •
Thomas C. Campbell (1845–1904), New York lawyer and Cincinnati political boss •
Thomas Cooper Campbell, New York state senator in the
98th New York State Legislature •
Thomas Edmund Campbell (1809–1872), seigneur and political figure in Canada East •
Thomas Edward Campbell (1878–1944), governor of Arizona •
Thomas F. Campbell (1897–1957), New York politician •
Thomas Hayes Campbell (1815–1862), Illinois politician and auditor •
Thomas Jefferson Campbell (1786–1850), American politician •
Thomas Joseph Campbell (1872–1946), Irish politician, journalist & jurist •
Thomas Mitchell Campbell (1856–1923), American politician, governor of Texas •
Thomas H. Campbell III (1932–2011), American politician, member of the Mississippi House of Representatives •
Tom Campbell (California politician) (born 1952), former congressman, 2010 U.S. Senate candidate •
Tom Campbell (Canadian politician) (1927–2012), Canadian mayor of Vancouver •
Tom Campbell (North Dakota politician) (born 1959), North Dakota Senate •
Tom Campbell (Washington politician) (born 1954), member of the Washington House of Representatives •
Thomas Campbell (West Virginia politician) (born 1961), member of the West Virginia House of Delegates •
Tom Campbell (New Zealand politician), mayor of Invercargill, New Zealand ==Religion==