Frederick William Benteen (August 24, 1834 – June 22, 1898) was a military officer during the American Civil War and then during the Indian Campaigns and Great Sioux War against the Lakota and Northern Cheyenne. Benteen is best known for being in command of a battalion (Companies D, H,& K) of the 7th U. S. Cavalry at the Battle of the Little Bighorn in late June, 1876.