STIRLING ENGINE

[Problem] To provide a Stirling engine having a high degree of freedom in installation of a heater heat exchanger. [0002] [Solution] A Stirling engine 10 includes an engine main body E including at least an engine unit 11 and a cooler heat exchanger 14, and a heater structure H including at least a heater heat exchanger 12. The engine main body E and the heater structure H have separate structures, and the engine main body E and the heater structure H are connected via a coupling pipe portion.