The Danyang Pi clan (Korean: 단양 피씨; Hanja: 丹陽 皮氏) is one of the Korean clans.
Their bon-gwan was in Danyang County, North Chungcheong Province.
According to the 2000 census, the number of members was 1399.
Their founder was Pi Wi-jong [ja] who was a Jinwu Guard Commander (Hanja: 金吾後衛指揮) in the Yuan Empire.
After that, he was naturalized and began the Danyang Pi clan after Pi In-go (皮寅古), his older brother, was chosen as Prince of Danyang (丹山君).