The Chonghae Yi clan (Korean: 청해 이씨; Hanja: 青海 李氏) is a Korean clan.
Their Bon-gwan is in Pukchong County, South Hamgyong Province.
Their founder is Yi Ji-ran [ko], an ethnic Jurchen general from the end of Goryeo to the beginning of the Joseon Dynasty (1331-1402).
After Taejo of Joseon's death, Yi Ji-ran was chosen as a meritorious retainer and became the founder of the Chonghae Yi clan.
As of 2000[update], the number of members this clan has is about 12002.