The Hutubi (Qutubi) County (Uyghur: قۇتۇبى ناھىيىسى, Qutubi Nahiyisi, K̡utubi Nah̡iyisi) is a county in the Xinjiang Uyghur Autonomous Region and is under the administration of the Changji Hui Autonomous Prefecture. It contains an area of 9,476 km2. According to the 2002 census, it has a population of 210,000.