Rison, officially the City of Rison, is a city in and the county seat of Cleveland County, Arkansas, United States. Its population was 1,344 at the 2010 U.S. census. It is included in the Pine Bluff, Arkansas Metropolitan Statistical Area. Rison is a bedroom community for people who work in Pine Bluff. The largest employers are the city and county governments, the Cleveland County School District, the Cleveland County Nursing Home.