Lhachik Dembu was a twelfth-century practitioner from the Yarlung Valley. She is best known for her relatively brief but eventful relationship with the Kagyu lineage master Rechungpa. While the veracity of her life story is questionable in many regards, her story sheds light on the role of women and attitudes about them in Tibetan tantric Buddhist communities from the twelfth to sixteenth centuries when different versions of her story were composed.