La Unión District

La Unión District may refer to:


 * Peru:
 * La Unión District, Piura, in Piura province, Piura region
 * La Unión District, Dos de Mayo, in Dos de Mayo province, Huánuco region
 * La Unión District, Tarma, in Tarma province, Junín region
 * Costa Rica:
 * La Unión District, Montes de Oro, in Montes de Oro Canton, Puntarenas province