Yuanzhou District (simplified Chinese: 原州区; traditional Chinese: 原州區; pinyin: Yuánzhōu Qū; Wade–Giles: Yüan-chou Ch’ü), formerly Guyuan County (simplified Chinese: 固原县; traditional Chinese: 固原縣; pinyin: Yuánzhōuqū; Wade–Giles: Yüan-chou Ch’ü) is a district under the administration of Guyuan City in Ningxia Hui Autonomous Region of the People's Republic of China.