The province of Olbia-Tempio was a province in the autonomous region of Sardinia, Italy. It had two provincial capitals, Olbia and Tempio Pausania. As of 2015, the province had a total population of 159,950 inhabitants and covered an area of 3,406.18 square kilometres, so had a population density of 46.96 inhabitants per square kilometer. The province contained 26 comuni.