Sospirolo is a comune, or municipality, located in the province of Belluno within the Veneto region of Italy. It is situated approximately 80 kilometres (50 mi) north of Venice and about 10 kilometres (6 mi) west of the city of Belluno.
The municipality covers a total area of 65.86 km². As of recent data, it has a population density of 46.64 per km² and experienced an annual population change of -0.40% between 2011 and 2023.