Samolaco (Lombard: Samolegh or Samolagh) is a comune (municipality) in the Province of Sondrio in the Italian region Lombardy , located about 90 kilometres (56 mi) north of the regional capital Milan and about 40 kilometres (25 mi) northwest of Sondrio. As of 31 December 2005, it had a population of 2,913 and an area of 44.5 square kilometres (17.2 sq mi).

The territory of the comune, mostly mountainous, includes of a number of small centres of population, notably Casenda, Era, Giumello, San Pietro and Somaggia. All of these lie in the valley known as the Piano di Chiavenna , just to the north of the small lake Lago di Mezzola , which itself lies to the north of Lake Como . There is no centre called Samolaco, although the community centre, a grocery store, a bank, two bars, a farm supply store and an artisan honey producer lie in the Samolaco area.

Samolaco borders the following municipalities: Gordona , Livo, Montemezzo , Novate Mezzola , Prata Camportaccio , Sorico , Vercana .