Joe Rafferty played 48 games for Rotherham this season to trigger a contract extension
Rotherham United have released 11 players following their relegation to League Two.
The Millers finished 23rd in League One, 11 points from safety after managing only 10 wins all season.
Cameron Dawson, Sean Raggett, Liam Kelly, Jordan Hugill, Duncan Watmore, Joshua Kayode, Ciaran McGuckin, Zak Jules, Reece James, Josh Benson and Ben Hatton will all depart the Aesseal New York Stadium this summer.
As well as the 11 players who have been released, five players on loan will return to their parent clubs.
