Pak Chau
| Native name:  白洲 | |
|---|---|
| Pak Chau is faintly visible to northwest of Sha Chau | |
| Geography | |
| Coordinates | 22°21′01″N 113°52′00″E / 22.3502°N 113.8667°E | 
| Administration | |
| District | Tuen Mun | 
| Statutorily-defined area | New Territories | 
| Sovereign state | People's Republic of China | 
Pak Chau (Chinese: 白洲) or Tree Island is an island at the northwest water of Hong Kong. It is offshore of Lung Kwu Tan near Tuen Mun in the New Territories.