Oran is a city in Scott County, Missouri, United States. The population was 1,264 at the 2000 census. It was surveyed under the name of Sylvania on July 9, 1869. It was renamed St. Cloud on February 14, 1870. It was renamed again as Oran on August 23, 1882, when a new plat of the town was filed.
Oran is located at 37°5′4″N 89°39′15″W / 37.08444°N 89.65417°W / 37.08444; -89.65417 (37.084520, -89.654121).
According to the United States Census Bureau, the city has a total area of 1.0 square miles (2.7 km²), all of it land.