| Name | Group | Language of Origin | Languages of Use | Meaning/Translation or Related Words | US 2021 |
|---|
| Nestore | Nestor | Old Greek | Italian | the homecoming | |
| Nettuno | Neptun | Latin | Italian | Words: wet, water | |
| Nevio | Nevio | Latin | Italian | Words: fault, birth mark / new | |
| Niccolò | Nicholas/Nicole | Old Greek | Italian | victory of the people | |
| Nice | Nike | Old Greek | Italian | Words: victory | |
| Nicodemo | Nikodemus | Old Greek | Portuguese, Spanish, Italian | victory of the people | |
| Nicola | Nicholas/Nicole | Old Greek | German, Italian | victory of the people | |
| Nicola | Nicholas/Nicole | Old Greek | German, English, Italian | victory of the people | |
| Nicoletta | Nicholas/Nicole | Old Greek | Italian | victory of the people | |
| Nicollò | Nicholas/Nicole | Old Greek | Italian | victory of the people | |
| Nicolo | Nicholas/Nicole | Old Greek | Italian | victory of the people | |
| Nicolò | Nicholas/Nicole | Old Greek | Italian | victory of the people | |
| Nilde | Brunhilde | Old High German | Italian | Words: fight | |
| Nilo | Nilo | Old Greek | Italian | | |
| Nina | Nina | Italian | German, English, French, Italian, Russian | | #327 |
| Nino | John/Johanna | Hebrew | Italian | Yahweh is gracious | |
| Noelia | Noel/Natalie | Latin | Spanish, Italian | born on Christmas | |
| Nora | Eleonora | Old Provençal | German, Scandinavian, English, Italian | Words: foreign | #27 |
| Norah | Eleonora | Old Provençal | German, Scandinavian, English, Italian | Words: foreign | #160 |
| Norberto | Norbert | Old High German | Italian | Words: north / bright | |
| Norina | Eleonora | Old Provençal | Italian | Words: foreign | |
| Norma | Norma | Italian | German, English, Italian | Words: carpenter's square | |
| Novato | Novato | Latin | Italian | | |
| Nuccia | Joseph/Josepha | Hebrew | Italian | He (God) will add | |
| Nuccio | Joseph/Josepha | Hebrew | Italian | He (God) will add | |
| Nunzia | Nunzio/Nunzia | Latin | Italian | | |
| Nunzio | Nunzio/Nunzia | Latin | Italian | | |
| Oddone | Oddone | Old High German | Italian | | |
| Odo | Otto/Ute | Old High German | German, Italian | Words: wealth | |
| Olimpia | Olympia | Old Greek | Italian | | |
| Olindo | Olinto | Old Greek | Italian | | |
| Olinto | Olinto | Old Greek | Italian | | |
| Oliva | Olivia | Latin | Italian | the olive tree, the olive | |
| Oliviero | Oliver | Old High German | Italian | Words: elf / army, warrior / olive, olive tree | |
| Ombretta | Ombretta | Italian | Italian | | |
| Omero | Homer | Old Greek | Italian | | |
| Onofrio | Onofrio | Old Greek | Italian | | |
| Onorata | Honoré/Honorée | Latin | Italian | Words: honor | |
| Onorato | Honoré/Honorée | Latin | Italian | Words: honor | |
| Onorina | Honoré/Honorée | Latin | Italian | Words: honor | |
| Orazio | Horaz | Etrusk | Italian | | |
| Oreste | Oreste/Orestina | Old Greek | Italian | | |
| Orestilla | Oreste/Orestina | Old Greek | Italian | | |
| Orestina | Oreste/Orestina | Old Greek | Italian | | |
| Orfeo | Orfeo | Old Greek | Italian | Words: darkness | |
| Oria | Oria | Latin | Italian | the golden | |
| Oriana | Oriana | Old French | Italian, English | Words: gold | |
| Orietta | Oria | Latin | Italian | the golden | |
| Orio | Orio | Unknown | Italian | | |
| Orlanda | Roland/Rolanda | Old High German | Spanish, Italian | Words: fame / land, homeland | |
| Orlando | Roland/Rolanda | Old High German | Spanish, Italian | Words: fame / land, homeland | #753 |
| Ornella | Ornella | Italian | German, Italian | Words: ash | |
| Oronzio | Oronzo | Unknown | Italian | | |
| Oronzo | Oronzo | Unknown | Italian | | |
| Orsino | Ursino | Latin | Italian | Words: bear | |
| Orso | Urs | Latin | Italian | the bear | |
| Orsola | Ursula | Latin | Italian | little bear | |
| Ortensia | Ortensio/Hortensia | Latin | Italian | | |
| Ortensio | Ortensio/Hortensia | Latin | Italian | | |
| Oscar | Oskar | Old Norse | Italian, English, French | Words: ase, deity / spear | #226 |
| Osvaldo | Oswald | Old High German | Spanish, Italian | Words: Ass / rule | |
| Oswaldo | Oswald | Old High German | Spanish, Italian | Words: Ass / rule | |
| Otello | Otto/Ute | Old High German | Italian | Words: wealth | |
| Ottavia | Octavius/Octavia | Latin | Italian | the eighth, born in the eighth month | |
| Ottaviana | Octavius/Octavia | Latin | Italian | the eighth, born in the eighth month | |
| Ottaviano | Octavius/Octavia | Latin | Italian | the eighth, born in the eighth month | |
| Ottavio | Octavius/Octavia | Latin | Italian | the eighth, born in the eighth month | |
| Otto | Otto/Ute | Old High German | German, Italian, French, English | Words: wealth | #335 |
| Ottone | Otto/Ute | Old High German | Italian | Words: wealth | |
| Ottorino | Otto/Ute | Old High German | Italian | Words: wealth | |
| Ovidio | Ovid | Latin | Italian | | |
| Palmira | Palmiro/Palmira | Latin | Portuguese, Spanish, Italian | | |
| Palmiro | Palmiro/Palmira | Latin | Italian | | |
| Pam | Pamela | Old Greek | German, Italian, English | maybe all black (?), all honey | |
| Pamela | Pamela | Old Greek | German, Italian, English | maybe all black (?), all honey | |
| Pancrazio | Pankraz | Old Greek | Italian | all power | |
| Paola | Paul/Paula | Latin | Spanish, Italian | the small, the humble | #960 |
| Paolina | Paul/Paula | Latin | Italian | the small, the humble | |
| Paolo | Paul/Paula | Latin | Italian | the small, the humble | |
| Paride | Paris/Paris | Old Greek | Italian | | |
| Pasquala | Paschalis/Pascale | Latin | Italian | Words: Easter | |
| Pasquale | Paschalis/Pascale | Latin | Italian | Words: Easter | |
| Pasqualina | Paschalis/Pascale | Latin | Italian | Words: Easter | |
| Pasqualino | Paschalis/Pascale | Latin | Italian | Words: Easter | |
| Patrizia | Patrick/Patrizia | Latin | German, Italian | nobleman | |
| Patrizio | Patrick/Patrizia | Latin | Italian | nobleman | |
| Pelagio | Pelagius/Pelagia | Old Greek | Spanish, Italian | Words: sea | |
| Pellegrino | Peregrine | Latin | Italian | traveller, pilgrim | |
| Peppe | Joseph/Josepha | Hebrew | Italian | He (God) will add | |
| Peppina | Joseph/Josepha | Hebrew | Italian | He (God) will add | |
| Peppino | Joseph/Josepha | Hebrew | Italian | He (God) will add | |
| Peppone | Joseph/Josepha | Hebrew | Italian | He (God) will add | |
| Perla | Pearl | English | Spanish, Italian, Tagalog | pearl | |
| Petronilla | Petronio/Petronia | Latin | German, Italian, English | | |
| Petronio | Petronio/Petronia | Latin | Italian | | |
| Pia | Pius/Pia | Latin | German, Italian, French, English | Words: pious | |
| Piera | Peter/Petra | Old Greek | Italian | the rock, the stone | |
| Pierina | Peter/Petra | Old Greek | Italian | the rock, the stone | |
| Piero | Peter/Petra | Old Greek | Italian | the rock, the stone | |
| Pietra | Peter/Petra | Old Greek | Italian | the rock, the stone | |
