Marianne is a census-designated place located in Paint Township and Elk Township, Clarion County, in the U.S. state of Pennsylvania. The community is located at the intersections of Pennsylvania Route 66 and U.S. Route 322, approximately 1 mile east of the borough of Shippenville and 3 miles northwest of Clarion, the county seat. As of the 2010 census the population of Marianne was 1,167.