Photisarath (also spelled Phothisarath, Phothisarat, or Potisarat) (1501–1547) son of King Visounnarat of Lanxang, is considered to be the most devout of the Lao kings.

He bans spirit worship and builds temples upon the sites of spirit shrines.

His elephant falls and crushes him while he seeks to display his prowess to the diplomatic corps.

His son Setthathirath returns from Chiang Mai to succeed him to the throne of Lan Xang.