The surname LAGANO originated in Italy, with its earliest known roots dating back to the 13th century. The name is believed to have derived from the Latin word "laganum," which referred to a flat bread or cake made from flour and water. This suggests that the LAGANO family may have been involved in the baking or culinary trade during the medieval period.

One of the earliest recorded mentions of the LAGANO surname can be found in a document from the Archivio di Stato di Napoli (State Archives of Naples) dated 1287, which lists a certain Guglielmo LAGANO as a resident of the city's Quartieri Spagnoli district. This area was known for its artisanal bakeries and food markets, further supporting the potential connection between the surname and the culinary arts.

By the 15th century, the LAGANO name had spread to other regions of Italy, including Tuscany and Lombardy. In a 1472 census record from the Archivio di Stato di Firenze (State Archives of Florence), a family named LAGANO is listed as residing in the city's Santa Croce quarter, which was a hub for skilled craftsmen and artisans during the Renaissance era.

One notable individual bearing the LAGANO surname was Girolamo LAGANO, a 16th-century Italian painter and architect from Milan. Born in 1538, Girolamo is best known for his contributions to the design and construction of the Church of San Fedele in Milan, a prominent example of Milanese Baroque architecture.

Another prominent figure was Tommaso LAGANO, a celebrated poet and playwright from Naples who lived in the late 17th and early 18th centuries. His works, such as the pastoral drama "La Pastorella" and the satirical play "La Finta Pazza" (The Feigned Madwoman), were widely acclaimed during his lifetime and helped establish him as a leading figure in the Neapolitan literary scene of the time.

In the 19th century, the LAGANO surname gained further recognition with the birth of Antonio LAGANO (1828-1896), a renowned Italian sculptor from Carrara. His most celebrated works include the marble statue "La Preghiera" (The Prayer) and the colossal monument to Vittorio Emanuele II in Rome, which he co-designed with several other artists.

Another notable figure was Giuseppe LAGANO (1870-1942), an Italian politician and lawyer who served as a member of the Chamber of Deputies, representing the district of Catanzaro in Calabria. He was actively involved in the political and legal affairs of the region during the early 20th century.

While the surname LAGANO may have humble origins tied to the culinary arts, it has since been associated with individuals who have made significant contributions to various fields, including art, literature, architecture, and politics, throughout the centuries.