Huangnan Tibetan Autonomous Prefecture (simplified Chinese: 黄南藏族自治州; traditional Chinese: 黃南藏族自治州; pinyin: Huángnán Zàngzú Zìzhìzhōu; Tibetan: རྨ་ལྷོ་བོད་རིགས་རང་སྐྱོང་ཁུལ་, Wylie: Rma-lho Bod-rigs rang-skyong-khul) is an autonomous prefecture of eastern Qinghai province, People's Republic of China, bordering Gansu to the east.