Origin of the name ANTONIO.
Etymology of the
Meaning of the baby name ANTONIO.
Latin Antonius (q.v.), possibly meaning "inestimable."
(History of Christian Names, Yonge, 1884). Usage:
America, Brazil, Italy, Philippines, Portugal, Puerto Rico, Spain.
Antonio Cromartie, an American football player.
Antonio Silva, a Brazilian mixed martial artist. Antonio Stradivari
(d. 1737), was an Italian maker of stringed instruments. (Wiki)