Laurent-André-Estiennet-Marie Barisy (also spelled Barizy, 8 November 1769 – 23 July 1802) was an adventurer who went into the service of Nguy?n Ánh, the future emperor Gia Long of Nguy?n dynasty, Vietnam.
Laurent Barisy born in Port Louis, Isle de France (mordern Mauritius).
He was originally from Groix, Brittany, France.
Official documents were silent on his nationality.
Some scholars thought he was an English.
Barisy was a friend of Olivier de Puymanel.
He entered Nguy?n Ánh's service in 1793, and spent most of his time buying military supplies in Malacca, Manila and Batavia.
He served as lieutenant-colonel in army of Nguy?n lord.
He was the commander of warship l'Armide, and granted the noble title Thi?n Tri H?u ("Marquess Thi?n Tri") by Nguy?n Ánh.
He participated in the battle of Ðà N?ng and Phú Xuân (mordern Hu?) in 1801.
He died on July 23, 1802 before Lord Nguy?n Ánh captured Thang Long (mordern Hanoi) and reunified Vietnam.Barisy married a Vietnamese woman.
One of his daughter was the second wife of Jean-Baptiste Chaigneau.