Jean-Baptiste Chaigneau

Jean-Baptiste Chaigneau
1805 portrait of Chaigneau
Born(1769-08-06)6 August 1769
Lorient, Morbihan, France
Died31 January 1832(1832-01-31) (aged 62)
Lorient, Morbihan France
AllegianceFrance
Vietnam
BranchFrench Navy
Vietnamese Navy
Service years1794–1819
1821–1826
RankGrand Mandarin
French consul
ConflictsThi Nai, 1801

Jean-Baptiste Chaigneau (6 August 1769 – 31 January 1832) was a French sailor and adventurer who played an important role in Vietnam in the 19th century. He served the Nguyễn dynasty from 1794 to 1819, and 1821 to 1826, and took the Vietnamese name of Nguyễn Văn Thắng ().