Liangshan Yuanguan (simplified Chinese: 梁山缘观; traditional Chinese: 粱山緣觀; Wade–Giles: Liang-shan Yüan-kuan; Japanese: Ryōzan Enkan) was a Chan/Zen Buddhist monk during the Five Dynasties and Ten Kingdoms period. His first appearance in the historical record is in the Transmission of the Lamp, which was compiled around 1004. No precise dates are available for when he lived, and information about his life is scant.