Mace Moulton (May 2, 1796 – May 5, 1867) was a United States Representative from New Hampshire. He was born in Concord, New Hampshire in 1796. He attended the public schools and served as the sheriff of Hillsborough County in 1845.
Moulton was elected as a Democrat to the Twenty-ninth Congress (March 4, 1845-March 3, 1847). After leaving Congress, he was a New Hampshire councilor in 1848 and 1849. He also engaged in banking. He died in Manchester, New Hampshire in 1867 and was buried in Valley Cemetery.