The Theatre Royal is a restored Regency theatre in Bury St. Edmunds, Suffolk, England. The building is one of eight Grade I listed theatres in the United Kingdom, and is the only working theatre operated under the auspices of the National Trust. The theatre presents a diverse programme of drama, music and stand up. It regularly produces its own work which tours nationally, most recently Torben Bett's Invincible in the summer of 2016.