Giovanni Antonio Sanna (Sassari, 29 August 1819 – Rome, 9 February 1875) was a Sardinian entrepreneur and politician.
He married Maria Llambi y Casas, a Catalonia-born Spanish woman, with whom he had four daughters.
He founded the "Banca Agricola Sarda" (Sardinian Agricultural Bank) in 1871.
He was elected deputy of parliament of the Italian Kingdom for three legislatures, from 1857 to 1865.
[1] He started modern industrial mining activity in the area [2]