Fengning Manchu Autonomous County (simplified Chinese: 丰宁满族自治县; traditional Chinese: 豐寧滿族自治縣; pinyin: Fēngníng Mǎnzú Zìzhìxiàn; Manchu: ᡶᡝᠩᠨᡳᠩ ᠮᠠᠨᠵᡠ ᠪᡝᠶᡝ ᡩᠠᠰᠠᠩᡤᠠ ᠰᡳᠶᠠᠨ) is a Manchu autonomous county of northern Hebei province, bordering Beijing to the southwest and Inner Mongolia to the north, and lying under the administration of Chengde City.