Luogosanto (Gallurese: Locusantu, Sardinian: Logusantu) is a comune (municipality) in the Province of Sassari in the Italian region Sardinia, located about 200km north of Cagliari and about 30km northwest of Olbia. Luogosanto borders the following municipalities: Aglientu, Arzachena, Luras, Tempio Pausania.