Lady Dongsanwon
| Lady Dongsanwon 동산원부인 | |
|---|---|
| Royal consort of Goryeo | |
| Predecessor | Lady Sogwangjuwon | 
| Successor | Lady Yehwa | 
| Born | ? Suncheon, South Jeolla Province | 
| Died | ? Suncheon, South Jeolla Province | 
| Spouse | Taejo of Goryeo | 
| House | Suncheon Pak clan | 
| Father | Pak Yŏng-gyu | 
| Mother | Kyŏn Ae-bok | 
| Religion | Buddhism | 
Lady Dongsanwon of the Suncheon Pak clan (Korean: 동산원부인 박씨; Hanja: 東山院夫人 朴氏; lit. Lady of the Eastern Mountain Courtyard) was the eldest maternal granddaughter of Kyŏn Hwŏn and daughter of Pak Yŏng-gyu. She became the 18th wife of King Taejo of Goryeo and was the oldest, among Queen Mungong and Queen Munseong who both became Jeongjong's wives.