The Commonwealth of Nations, a loose confederation of nations based around the former British Empire.
Virginia, the Commonwealth of Virginia, often referring to its government.
Australia, the Commonwealth of Australia, often referring to its federal government.
The Commonwealth of England, which existed from 1649 to 1660, under Cromwell.
Kentucky, the Commonwealth of Kentucky, often referring to its government.
Massachusetts, the Commonwealth of Massachusetts, often referring to its government.
Pennsylvania, the Commonwealth of Pennsylvania, often referring to its government.
Any of the self-governing nations of the British Commonwealth until 1949.