Amalgamated Football Club Sudbury is a football club based in Sudbury, Suffolk, England. The club was formed in 1999 by the merger of Sudbury Town and Sudbury Wanderers, the process giving rise to the name Amalgamated Football Club Sudbury. and went on to win the Eastern Counties League Premier Division five seasons in a row as well as reaching the final of the FA Vase in three successive seasons, records for both competitions. They are currently members of the Southern League Premier Division Central and play at the King's Marsh Stadium in the Ballingdon-Brundon area of Sudbury.

Sudbury is a market town in the south west of Suffolk, England, on the River Stour near the Essex border, 60 miles (97 km) north-east of London. At the 2011 census, it had a population of 13,063. It is the largest town in the Babergh local government district and part of the South Suffolk constituency.