Javier Hernán Klimowicz Laganá (born March 10, 1977 in Quilmes, Argentina) is a naturalized Ecuadorian football goalkeeper, who plays for Emelec. He has been naturalized and capped for Ecuador's national team. He has started some matches as Ecuador's starting goalkeeper. He is the younger brother of football striker Diego Klimowicz.Klimowicz started his playing career in 1998 with Instituto de Córdoba.