Ganghwa Man clan (Korean: 강화 만씨; Hanja: 江華 萬氏) is one of the Korean clans.
According to the research held in 1985, the number of Ganghwa Man clan’s member was 282.
Their founder was Man Se deok [ja] who worked as envoy in Ming dynasty.
He was sent troops to Joseon as reinforcements from Ming dynasty during Japanese invasions of Korea (1592–98).
His ancestor was Wan Xiu (Hanja: 萬脩) who was one of the Yuntai 28 generals in Han dynasty during Emperor Ming of Han’s reign.