Jean Henri Diago Lhuillier (born March 24, 1969) is a Filipino businessman, diplomat and sports patron.
Jean Henri is the President and CEO of the PJ Lhuillier Group of Companies, which operates and manages Cebuana Lhuillier, the largest microfinancial institution in the Philippines.
He is an Official Knight of the Equestrian Order of Saint Agatha conferred by Minister Pasquale Valentini of the San Marino Secretary for Foreign Affairs.
He is the son of the Philippine Ambassador to Spain Philippe Jones Lhuillier and Edna Diago Lhuillier.