Wat Sen, Luang Prabang also known as Wat Sene Souk Haram is a Buddhist temple (wat), located in Luang Phrabang, Laos.

It was built in 1718 by King Kitsarath with 100 000 stones from the Mekong river. It literally means "Temple of a 100 000 treasures". It was restored in 1957 commemorating the Buddha’s birth 2500 years earlier.