Itaporanga d'Ajuda is a Brazilian municipality in the Northeastern state of Sergipe. It covers 757 square kilometres (292 sq mi), has a population of 34,709 (2020) and a population density of 46 residents per km2 (120/sq mi). It is home to the Tejupeba House and the Chapel of the Colégio Sugar Plantation, a plantation house and chapel cited as the first Jesuits settlement in Portuguese Brazil. The municipality contains part of the Serra de Itabaiana National Park.