Halbert Eleazer Paine (February 4, 1826 – April 14, 1905) was a lawyer, politician, and general in the Union Army during the American Civil War. After the war, he was elected to three terms as U.S. Congressman from Wisconsin. Later he wrote a text on contested elections, as well as a memoir of his service in Louisiana during the Civil War. The latter was published for the first time in 2009 in an annotated edition.