The Italian language in the Italian Switzerland or Swiss Italian is the variety of the Italian language taught in the Italian-speaking area of Switzerland. While this variety is mainly spoken in the canton of Ticino and in the southern part of Grisons, Italian is spoken natively in the whole country by about 700,000 people: Swiss Italians, Italian immigrants and Swiss citizens with Italian citizenship.

Italian immigration to Switzerland is related to the Italian diaspora in Switzerland. Italian emigration to Switzerland took place mainly from the end of the 19th century.