Andrew Williams Loomis (June 27, 1797 – August 24, 1873) was a 19th-century American lawyer who served as a U.S. Representative from Ohio during the year 1837.
Born in Lebanon, Connecticut, Loomis earned his law degree from Union College, Schenectady, New York, in 1819.
Loomis was elected as a Whig to the Twenty-fifth Congress and served from March 4, 1837, until October 20, 1837, when he resigned.
He served as member of the Peace Conference of 1861 held in Washington, D.C., in an effort to devise means to prevent the impending war.
This article incorporates public domain material from the Biographical Directory of the United States Congress