Jean Henri Diago Lhuillier (Tagalog pronunciation: [ˈluljɪɾ], born March 24, 1969) is a Filipino businessman, diplomat and sports patron.

Jean is an Official Knight of the Equestrian Order of Saint Agatha conferred by Minister Pasquale Valentini of the San Marino Secretary for Foreign Affairs.

Jean Henri graduated from Saint Mary’s College, Moraga, California, United States with a degree in Economics and Business Administration in 1992.

Jean Henri has helped athletes in representing the Philippines in international tournaments and has supported programs that aim for the development of the youth through sports such as basketball, tennis, and softball.

Lhuillier was recognized for his efforts in sports grassroots development and support to national teams in softball and tennis in the country.