Hamjong Eo clan (Korean: 함종 어씨; Hanja: 咸從 魚氏) is a Korean clan.
Their Bon-gwan is in Chungsan County, South Pyongan Province.
Their founder was Eo Hwa in [ja], who was from Zuopingyi (左馮翊), China.
He was exiled to Gangwon Province to avoid conflict in the Song dynasty.
After that, he settled in Ham Jong Gun, Pyongan Province, and founded Hamjong Eo clan.