Ho Pui Reservoir (Chinese: 河背水塘) is an irrigation reservoir in Hong Kong, managed by Water Supplies Department.

The water of the Ho Pui Reservoir is used for irrigating agricultural lands in the northwest New Territories.

The Ho Pui Reservoir Family Walk has been noted for its beautiful bamboo grove.

• List of reservoirs of Hong Kong
• Ho Pui (Yuen Long District)

• Hong Kong Water Supply – Irrigation Reservoirs at industrialhistoryhk.org

22°24′23″N 114°04′30″E / 22.40631°N 114.07495°E / 22.40631; 114.07495