Meaning A boy's name of Italian origin, it means "Victorious; conquerer of the people Variant of Nicholas." Origin of Niccolo Italian +-100%Zoom level changed to 1 Popular Middle Names John Pronunciation 🔊 Listen Niccolo Similar Names Nicoli Nicolo Nikolos Niklos Nickolaus Nikolaos Nykko Colin Nikos Nikolai Year by Year Popularity of Niccolo