Yangcheon Heo clan (Korean: 양천 허씨; Hanja: 陽川 許氏) was one of the Korean clans.
According to the 2015 Korean census, the number of Yangcheon Heo clan is 149,505.
Their founder was Heo Seon-mun [ja].
He was the descendant of Heo Hwang-ok,[1] the wife of Suro, first king of the Geumgwan Gaya.
Heo Seon-mun had assisted Taejo of Goryeo in his defeat of Kyŏn Hwŏn by offering resources.