Statistics
Capital:	Pakxe
Area:	15,415 km²
Inhabitants:	575,600 (2004 est)
Pop. density:	24 inh./km²
ISO 3166-2:	LA-CH
Geocode:	1600
Map

Champasak (or Champassak, Lao ຈໍາປາສັກ) is a province in the south-west Laos, at the boundary to Thailand and Cambodia. It is one of the three principalities that succeeded the Lao kingdom of Lan Xang.

The river Mekong flows through the province.

The Khmer ruins of Wat Phu are located here.

Administrative divisions