The province of Isernia is a province in the region of Molise in Italy. The provincial capital is the city Isernia and the president of the province is Luigi Brasiello. The province of Isernia has an area of and a population of 86,828 inhabitants as of 2015, giving it a population density of 56.56 residents per square kilometre. It contains 52 comunes  in the province, listed at comunes of the Province of Isernia.