Institution Saint-Louis de Gonzague is a primary and secondary Roman Catholic school in Port-au-Prince, Haiti. It was founded and is run by the Brothers of Christian Instruction (FIC). The school colors are red and green

Port-au-Prince is the capital and most populous city of Haiti. The city's population was estimated at 1,200,000 in 2022 with the metropolitan area estimated at a population of 2,618,894. The metropolitan area is defined by the IHSI as including the communes of Port-au-Prince, Delmas, Cite Soleil, Tabarre, Carrefour, and Pétion-Ville.