Lanzada is a comune (municipality) in the Province of Sondrio in the Italian region Lombardy , located about 150 kilometres (93 mi) northeast of Milan and 18 kilometres (11 mi) north of Sondrio, on the border with Switzerland. As of 31 December 2004, it had a population of 1,445 and an area of 116.1 square kilometres (44.8 sq mi).

Lanzada borders the following municipalities: Caspoggio , Chiesa in Valmalenco , Chiuro , Montagna in Valtellina , Pontresina (Switzerland), Poschiavo (Switzerland), Samedan (Switzerland), Sils im Engadin/Segl (Switzerland).