Woo Ji-yeon (born 1969), better known by her pen name Jinsan (진산), is a pioneering South Korean martial arts (wuxia) and romance novelist.
She broke into a heavily male-dominated genre in 1994 by winning the grand prize at the Hitel PC-term martial arts contest with her piece Gwanggeom Yujeong (광검유정).
She uses name Jinsan for wuxia and male-oriented fiction and Min Hae-yeon for romance novels.
She resides in Hwaseong, Gyeonggi Province, in a rural home with her husband, a fellow martial arts novelist Jwa-Baek.
