| Shuangtaizi District | |
| Postal Code Type: | Postal code |
| Settlement Type: | District |
| Image Map1: | Location of Panjin Prefecture within Liaoning (China).png |
| Map Caption1: | Panjin in Liaoning |
| Coordinates: | 41.1906°N 122.0601°W |
| Subdivision Type: | Country |
| Subdivision Name: | People's Republic of China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Liaoning |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Panjin |
| Population Density Km2: | auto |
| Timezone: | China Standard |
| Utc Offset: | +8 |
Shuangtaizi District is an urban district under the administration of the prefectural city of Panjin in Liaoning province, People's Republic of China. The district's name came from the Shuangtaizi River, the old name (until 2011) of the modern-day lower Liao River, which flows through the southern edge of the district. It has a total area of, and a population of approximately 200,000 people.
The district's postal code is 124000, and the district government is located at 32 Shengli Street.
Shuangtaizi District administers nine subdistricts: