Surname index
Italian surnames starting with O
Browse Italian surnames beginning with O, ordered by public distribution volume. Each surname links to a page with town, province and region data when available.
The 100 most common Italian surnames beginning with O.
1Orlando14,569 people1,370 towns2Orlandi12,544 people1,216 towns3Orsini8,685 people816 towns4Orsi6,428 people752 towns5Ottaviani5,354 people488 towns6Orru'5,312 people382 towns7Orlandini4,147 people505 towns8Ottonello3,098 people13 regions9Ortolani3,001 people385 towns10Ortenzi2,849 people14 regions11Ori2,665 people16 regions12Orefice2,512 people286 towns13Ortu2,455 people246 towns14Oriani2,280 people16 regions15Ostuni2,271 people19 regions16Osso2,189 people18 regions17Ossola2,134 people14 regions18Orio2,117 people19 regions19Orsenigo2,086 people9 regions20Ottone2,070 people19 regions21Ortelli2,011 people14 regions22Ottaviano1,970 people283 towns23Orazi1,943 people243 towns24Ornaghi1,883 people11 regions25Osti1,820 people264 towns26Ortolan1,709 people11 regions27Orabona1,511 people13 regions28Ottolini1,496 people255 towns29Orsatti1,464 people15 regions30Orrico1,429 people16 regions31Osto1,345 people12 regions32Orioli1,330 people195 towns33Orso1,289 people245 towns34Oteri1,269 people13 regions35Orfei1,206 people16 regions36Orengo1,120 people14 regions37Ottavi1,072 people16 regions38Oppedisano1,026 people12 regions39Origgi980 people10 regions40Ortis944 people16 regions41Ottonelli944 people12 regions42Orlacchio901 people15 regions43Oriolo896 people13 regions44Ostorero845 people8 regions45Orofino820 people143 towns46Orecchioni818 people10 regions47Ottolina796 people8 regions48Orani757 people9 regions49Orifici749 people13 regions50Orsoni723 people11 regions51Ottolenghi685 people17 regions52Orsolini684 people17 regions53Ortenzio676 people13 regions54Ortiz666 people17 regions55Ortuso638 people14 regions56Oricchio632 people13 regions57Ossoli615 people13 regions58Ottoni612 people14 regions59Ottelli609 people9 regions60Oro593 people130 towns61Osio592 people13 regions62Orvieto517 people15 regions63Orfino510 people11 regions64Ostan483 people6 regions65Opizzi468 people7 regions66Osimani463 people11 regions67Orsato461 people5 regions68Ovidi447 people11 regions69Orciani445 people13 regions70Oriente443 people14 regions71Oppizzi442 people8 regions72Origoni419 people12 regions73Orfeo414 people16 regions74Ottomano401 people13 regions75Orgiu377 people9 regions76Orsino371 people12 regions77Ortensi352 people13 regions78Orunesu351 people10 regions79Orsillo345 people11 regions80Orler343 people8 regions81Osnaghi340 people4 regions82Ottieri337 people9 regions83Orlandino313 people12 regions84Oselladore304 people8 regions85Orciari298 people8 regions86Opezzo296 people4 regions87Oppi276 people8 regions88Ormea264 people9 regions89Oppio262 people10 regions90Orefici218 people11 regions91Orfini209 people6 regions92Ottavio200 people15 regions93Orchi193 people2 regions94Orsola193 people12 regions95Orsanigo187 people6 regions96Ostili187 people6 regions97Oricco172 people1 regions98Occorso169 people5 regions99Ottolia168 people4 regions100Ottomanelli156 people10 regions
