Gérard Delacroix (born 10 April 1956) is a French naval archaeologist, author and editor, specialised in maritime subjects of the 17th and 18th centuries.
Born to a family from Rochefort-sur-Mer with a maritime tradition, Gérard Delacroix grew an early interest in ships.
In the 1980s, he started building ship models and from there went on to study archives of the 18th century about naval construction.
[1] After meeting [2] Jean Boudriot, he published his first monograph in 1995, Le Fleuron (1729), about a 64-gun ship of the early 18th century.
Gérard Delacroix is a Chevalier in the Ordre du Mérite Maritime.