Italian and Spanish form of Titus, from Latin meaning 'title of honor' or 'defender'.
Tito functions as a given name in its own right across Latin cultures, though it originates as a familiar form of Titus — the ancient Roman praenomen of uncertain but likely Sabine or Oscan origin, possibly related to the Latin titulus (title, honor) or a personal cognomen whose meaning was already opaque to Roman etymologists. Titus itself was borne by a Roman emperor (Titus Flavius Vespasianus) who presided over the destruction of Jerusalem in 70 CE and the opening of the Colosseum, and by a companion of Saint Paul addressed in one of the New Testament epistles. Tito entered modern global consciousness primarily through Josip Broz Tito, the Yugoslav partisan commander and statesman who led his country from 1945 until his death in 1980.
His singular ability to hold together a multinational federation outside both NATO and the Warsaw Pact — the Non-Aligned Movement he helped found gave him enormous international prestige — meant that 'Tito' carried connotations of defiant independence and charismatic authority for decades. In Latin America, Tito was and remains common independently of this association, used warmly as a standalone name or affectionate diminutive. In popular culture, Tito Jackson of the Jackson family gave the name a different kind of American familiarity in the 1970s.
Today Tito sits in an interesting position: simultaneously a name of historic political weight and a cheerful, punchy nickname-name that wears lightly. In Hispanic communities especially, it continues to be used with genuine affection, valued for its short, vigorous sound and its feeling of warm informality.