Longsal Nyingpo (Tib. ཀློང་གསལ་སྙིང་པོ་, Wyl. klong gsal snying po) (1625-1692), also known as Longsal Dorje Nyingpo was a tertön whose terma teachings are known by his name. He was a disciple of Rigdzin Düddul Dorje. He was one of those responsible for restoring Katok Monastery, which, after four and a half centuries, had fallen into disrepair.
Katok Gyalse Sönam Deutsen is a son of Longsal Nyingpo.
- Ronis, Jann. “Bdud 'Dul Rdo Rje (1615-1672) and Rnying Ma Adaptations to the Era of the Fifth Dalai Lama.” In Power, Politics, and the Reinvention of Tradition: Tibet in the Seventeenth and Eighteenth Centuries, edited by Bryan J. Cuevas and Kurtis R. Schaeffer, Proceedings of the Tenth Seminar of the International Association for Tibetan Studies, Oxford, 2003. Brill, 2006. p.172-86.