The Nam Khan (Lao: à ºÂà »Âà º³à ºÂà º²à ºÂ) is a river in Laos that is a major tributary of the river Mekong, with which it joins at Luang Prabang.
The Nam Khan river is 935 km long and the catchment area is 7490 km<sup>2</sup> (or 7620 km<sup>2</sup>); the population of the catchment is about 122,700 (1996).
The confluence of Nam Khan and Mekong forms a peninsula where the downtown of Luang Prabang is located.