Roseland is an unincorporated area and census-designated place in Richland County, Ohio, United States. It was first listed as a CDP prior to the 2020 census. The CDP is in central Richland County, in northwestern Madison Township. It is bordered to the east, south, and part of the west by the city of Mansfield. Ohio State Route 39 runs through the CDP, leading southeast into Mansfield and northwest 9 miles to Shelby.