Vieng Phouka, (also Vien Pou Kha Vieng, Viangphoukha, Viengphoukha, Vieng Pou Kha, Vien Pouka) is a town in Luang Namtha Province, northeastern Laos, approximately 50 kilometres southwest of the town of Luang Namtha. It is the capital of Viengphoukha District. The town was affected by the 2007 Laos earthquake, the epicentre only being several kilometres to the southwest.