Benjamin Ames (October 30, 1778 – September 28, 1835) was the third Governor of the U.S. state of Maine, who served from December 5, 1821 to January 2, 1822. He was born in Andover, Massachusetts, and attended Harvard University. He died in 1835 in Houlton, Maine.Ames served as a County Attorney from 1807 to 1811 and then Common Pleas Court judge until 1814. He was the first Speaker of the Maine House of Representatives, having been elected to the House in 1820.