Dawukou District (, Xiao'erjing: ) is a district and the seat of the city of Shizuishan in the northwest of the Ningxia Hui Autonomous Region of China, bordering Inner Mongolia to the north and northwest. It has a total area of , and a population of approximately 230,000 people.
Dawukou District is a well-known industrial region, and it has attracted considerable investment in recent years. The district's main projects vary greatly, and mainly include light polluting or non-polluting industries. The district's postal code is 753000.
Dawukou District has 10 subdistricts and 1 town.