Monroe Charter Township is a charter township of Monroe County in the U.S. state of Michigan. As of the 2000 census, the township population was 13,491. The City of Monroe is adjacent to the township, but is administratively autonomous. It is named after James Monroe, the 5th President of the United States.
Monroe Township is older than the Michigan land survey, which provides the traditional township numbering for the State of Michigan, so it cannot be usefully expressed in those terms.