Gar Mangsham Sumnang

Gar Mangsham Sumnang (Tibetan: མགར་མང་ཞམ་སུམ་སྣང་, Wylie: mgar mang zham sun snang; ? – ?) was a general of Tibetan Empire. He was active during Namri Songtsen's and Songtsen Gampo's reign.
The "Great Minister" (Wylie: blon chen) Thonmyi Tringpo Gyaltsennu tried to overthrow Namri Songtsen, and was detected by him. Sumnang set a trap together with another general khu khri snya dkru' zung, captured him, and cut off his head by sword.
He served as high minister during Songtsen Gampo's reign. After Nyang Mangpoje's execution, he was appointed as "Great Minister", and later turned to another general Khyungpo Pungse.