From the Roman family name Fabius, derived from Latin 'faba' meaning bean grower.
Fabio is the Italian and Portuguese form of the ancient Roman family name Fabius, derived from the Latin "faba," meaning the broad bean — a humble agricultural root that belies the name's distinguished lineage. The Fabian gens was one of Rome's most storied patrician clans, producing consuls, generals, and statesmen across centuries of republican history. The most celebrated of them, Quintus Fabius Maximus Verrucosus, earned the epithet "Cunctator" (the Delayer) for his brilliant strategy of attrition against Hannibal during the Second Punic War — a man of patience, strategy, and iron nerve.
The Fabian legacy passed into early Christianity through Saint Fabian, Pope from 236 to 250 AD, who reorganized the Roman church before dying as a martyr under Emperor Decius. His feast day on January 20th kept the name alive through medieval Europe. In its Italian form, Fabio became a staple of the peninsula's rich naming tradition, common across centuries in a way that speaks to its deep cultural roots.
G. Wells among its members. In the late twentieth century, the name acquired an entirely different kind of fame through the Italian-born model and romance novel cover icon Fabio Lanzoni, whose flowing golden hair and sculpted physique made him a pop-culture phenomenon through the 1980s and 90s.
That association gave the name a campy, knowing quality in the Anglophone world, though in Italy and Brazil it remains simply a handsome, well-worn classic. Today it carries that pleasant double life: ancient Roman austerity on one hand, a wink and a raised eyebrow on the other.