Isola d'Asti is a comune (municipality) in the Province of Asti in the Italian region Piedmont, located about 45 kilometres (28 mi) southeast of Turin and about 8 kilometres (5 mi) south of Asti.
Isola d'Asti borders the following municipalities: Antignano, Asti, Costigliole d'Asti, Mongardino, Montegrosso d'Asti, Revigliasco d'Asti, and Vigliano d'Asti.
- Angelo Sodano (born 1927), cardinal.
- Giuseppe Govone (born 1825), Italian general, patriot and politician.
- Giovan Battista Volpini (born 24 August 1885 - died in Amba Alagi, Ethiopia, 16 May 1941) general, first aide-de-camp of the Viceroy of Ethiopia, Amedeo of Savoy.
- ^ All demographics and other statistics: Italian statistical institute Istat.