Datong District (simplified Chinese: 大同区; traditional Chinese: 大同區; pinyin: Dàtóng Qū) is a district of the city of Daqing, Heilongjiang, People's Republic of China.

There are six subdistricts, four towns, and four townships in the district:

Subdistricts:

• Qingpu Subdistrict (庆葡街道), Linyuanzhen Subdistrict (林源镇街道), Lizhi Subdistrict (立志街道), Xinhua Subdistrict (新华街道), Datongzhen Subdistrict (大同镇街道), Gaotaizizhen Subdistrict (高台子镇街道)

Towns:

• Datong (大同镇), Gaotaizi (高台子镇), Taiyangsheng (太阳升镇), Linyuan (林源镇)

Townships:

• Bajingzi Township (八井子乡), Zhusan Township (祝三乡), Laoshantou Township (老山头乡), Shuangyushu Township (双榆树乡)