| Longguan | |
| Native Name: | 龙关镇 |
| Native Name Lang: | zh-cn |
| Settlement Type: | Town |
| Pushpin Map: | China Hebei |
| Pushpin Map Caption: | Location in Hebei |
| Coordinates: | 40.7861°N 115.5786°W |
| Subdivision Type: | Country |
| Subdivision Name: | People's Republic of China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Hebei |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Zhangjiakou |
| Subdivision Type3: | County |
| Subdivision Name3: | Chicheng |
| Subdivision Type4: | Village-level divisions |
| Subdivision Name4: | 35 villages |
| Unit Pref: | Metric |
| Elevation M: | 1069 |
| Population Density Km2: | auto |
| Timezone1: | China Standard |
| Utc Offset1: | +8 |
| Postal Code Type: | Postal code |
| Area Code: | 0313 |
Longguan, formerly known as Longmen, is a town in Chicheng County in northwestern Hebei Province, China,[1] situated along China National Highway 112 around east of downtown Zhangjiakou and 25km (16miles) southwest of the county seat as the crow flies., it has 35 villages under its administration.[2]
Under the name Longmen, the town was formerly the seat of a county under the administration of Xuanhua Prefecture during imperial times.