Meaning A boy's name of English origin, it means "Variant of Basil: Royal; kingly." Origin of Basilios English +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Basilios Similar Names Bas Basic Bazil Bazyl Balley Agron Vasili Vasilios Eudendro Eugenio Year by Year Popularity of Basilios