Xinjie may refer to: New Territories (), Hong Kong Xinjie Town, Jiayu County, Hubei Xinjie Town, Sui County, Hubei Xinjie Town, Ejin Horo Banner, Ordos Prefecture, Inner Mongolia; location of the Mausoleum of Genghis Khan Xinjie Township, Yuanyang County, Yunnan Xinjie Hui ethnic township, Guide County, Qinghai Xinjie Subdistrict, Yixing, Jiangsu Xinjie Village, Fangyuan, Changhua County, Taiwan Xinjie Village, Mingjian, Nantou County, Taiwan Xinjie Village, Beigang, Yunlin County, Taiwan
People with the name Huang Hsin-chieh (; 1928–1999), Taiwanese politician Angelica Lee (; born 1976), Malaysian singer Ji Xinjie (born 1997), Chinese swimmer