St James' Chapel is in the village of Lindsey, Suffolk, England. It was built in about 1250 and is a scheduled ancient monument. The chapel is recorded in the National Heritage List for England as a designated Grade I listed building.
The chapel is a substantial building constructed of flint, brick and stone. It has a tie beam roof covered with thatch. The chapel measures 29 feet (8.8 m) by 16 feet (4.9 m). Its height, from floor to roof plate, is 11 feet (3.4 m).
The chapel originated as a chantry chapel for the nearby Lindsay Castle, all remains of which have now vanished apart from some low earthworks.