There are a number of places named Sudbury:

• Sudbury, Suffolk, England
• Sudbury, London , England
• Sudbury, Derbyshire , England
• Sudbury, Massachusetts, USA
• Greater Sudbury, Ontario, Canada (official name of the municipality; for most purposes the city continues to be known simply as Sudbury) - the city is served by the Sudbury electoral district,

In addition, the Sudbury Valley School, is a democratic school in Framingham, Massachusetts.