| Guankou Subdistrict | |
| Native Name: | 灌口街道 |
| Native Name Lang: | zh-cn |
| Settlement Type: | Subdistrict |
| Pushpin Map: | China Sichuan |
| Pushpin Label: | Guankou Subdistrict |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location in Sichuan |
| Coordinates: | 31.0075°N 103.6328°W |
| Subdivision Type: | Country |
| Subdivision Name: | People's Republic of China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Sichuan |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Chengdu |
| Subdivision Type3: | County-level city |
| Subdivision Name3: | Dujiangyan City |
| Unit Pref: | Metric |
| Population Density Km2: | auto |
| Timezone1: | China Standard |
| Utc Offset1: | +8 |
| Postal Code Type: | Postal code |
Guankou Subdistrict is a subdistrict in Dujiangyan City, Sichuan, China.[1], it administers the following nine residential communities:[2]