| Type: | Elected |
| Lung Mun | |
| Nativename: | 龍門 |
| Year: | 1994 |
| Parl Name: | Tuen Mun District Council |
| Member: | Vacant |
| Map1: | LungMun |
| Map Entity: | Tuen Mun District |
| Map Size: | 250px |
| Region Label: | Legislative Council constituency |
| Region: | New Territories North West |
| District: | Tuen Mun |
| Elects Howmany: | One |
| Population: | 17,075 (2019)[1] |
| Electorate: | 10,270 (2019)[2] |
Lung Mun is one of the 31 constituencies in the Tuen Mun District.
Created for the 1994 District Board elections, the constituency returns one district councillor to the Tuen Mun District Council, with an election every four years.
Lung Mun loosely covers areas surrounding Lung Mun Oasis, Lung Yat Estate, Tsing Shan Tsuen, Tuen Mun Kau Hui and Yeung Siu Hang in Tuen Mun with an estimated population of 17,075.