Rolleston is a small village and civil parish in Nottinghamshire by the River Greet, a few miles from Southwell not far from the Trent and about 5 miles southwest of Newark. The population of the civil parish at the 2011 census was 312, increasing to 342 at the 2021 census. It has a church dedicated to the Holy Trinity. It lies close to the railway line between Nottingham and Lincoln with a station serving the village and Southwell as well as the nearby Southwell Racecourse.