| Tai Mun Shan | |
| Other Name: | 大蚊山 |
| Elevation M: | 370 |
| Location: | Eastern New Territories, |
| Coordinates: | 22.4156°N 114.3648°W |
| Map: | Hong Kong |
Tai Mun Shan (Chinese: 大蚊山; Cantonese Yale: daaih mān shāan) lies to the west of Tai Long Wan near Chek King on the Sai Kung Peninsula in Hong Kong. The hill comprises a rounded peak, which rises to a height 370 metres (1,210 feet).
The name translates as the Big Hill of the Mosquitoes.