CSS Oregon was a wooden sidewheel steamer that served as a gunboat in the Confederate States Army during the American Civil War. Built in 1846 for the Mobile Mail Line, she transported mail between New Orleans, Louisiana, and Mobile, Alabama, before the war. In 1861, she was seized by the Governor of Louisiana, Thomas Overton Moore, and served as a blockade runner before being selected for use by the Confederate Army. After transferring men and supplies to Ship Island, she was formally converted into a gunboat and armed with four cannon. Remaining behind on Lake Pontchartrain when many Confederate warships were transferred up the Mississippi River, Oregon served in the Mississippi Sound and Pass Christian areas. She took part in several minor actions involving USS New London, two of which