LISTE DE PRENOMScommençants par la lettre
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|---|
| O-Clok | Ol' Sport | Onie | Orlie | Otis |
| Oana | Ola | Onix | Orlik | Otlan |
| Oase | OLA | Onja | Orlinda | Ott |
| Oasis | Olaf | Onka | Orlo | Otta |
| Obelix | Olaf | Onko | Orloff | Ottar |
| Oben | olam | Onli | Orlog | Otte |
| Ober | Olana | Onna | Orlon | Otter |
| Oberon | Olanda | Onni | Orlov | Ottessa |
| Oberst | Olando | Onno | Orly | Ottex |
| Obiwankenobe | Olandra | Onny | Orma | Otti |
| Obsidan | Olane | Onsa | Ormanta | Ottie |
| Oby | Olav | Onta | Ormata | Ottilia |
| Oca | Olax | Ony | Orna | Ottilie |
| Ocarina | Old Yeller | Onyx | Ornela | Ottis |
| Ocatavius | Olda | Onyxia | Ornella | Otto |
| Occia | Oldax | Onyxo | Orno | Otty |
| Océane | Olden | Onzo | Oro | Otwin |
| Ochilla | Oldi | Ooligan | Orofino | Ouchka |
| Ochrida | Oldie | Oona | Orossi | Ouija |
| Ocinni | Oldo | Opaia | Orpal | Ouka |
| Ocki | Ole | Opal | Orphal | Ouragan |
| Oclaire | Olea | Opaline | Orphan | Ouran |
| Octavia | Oleanda | Opatja | Orphé | Outlaw |
| Octavio | Oleander | Ophelia | Orpheus | Outrigger |
| Oda | Oleane | Ophra | Orphid | Ouzie |
| Odal | Oleg | Oporto | Orpie | Ouzo |
| Odana | Olek | Oppala | Orre | Over |
| Odax | Olena | Opus | Orrex | Overath |
| Oddi | Oletta | Ora | Orri | Ovid |
| Oddibe | Olex | Oracle | Orrus | Owens |
| Ode | Olexa | Oraine | Orry | Owens |
| Odeipus | Olexo | Orak | Orscha | Owes |
| Odemis | Olf | Oran | Orsi | Ox |
| Odeo | Olfa | Orana | Orsina | Oxal |
| Odeon | Olfi | Orania | Orsus | Oxana |
| Odessa | Olga | Oras | Orta | Oxanna |
| Odet | Olgana | Orasy | Orte | Oxbow |
| Odeth | Olida | Orat | Ortega | Oxi |
| Odett | Olievia | Oraya | Ortex | Oyster |
| Odetta | Oligane | Orban | Ortho | Oyta Orsa |
| Odette | Olim | Orbi | Orti | Oz |
| Odi | Olimp | Orbin | Ortila | Ozeana |
| Odie | Olina | Orbino | Ortis | Ozo |
| Odie | Olinb | Orbis | Orto | Ozon |
| Odien | Olinda | Orbit | Ortrud | Ozone |
| Odila | Olinde | Orby | Ortrun | Ozymandius |
| Odilia | Oline | Orc | Ortus | Ozzie |
| Odilie | Olira | Orca | Ortwin | |
| Odilla | Olita | Orchidee | Orville | |
| Odille | Oliva | Orchideo | Ory | |
| Odillo | Olive | Orco | Orzon | |
| Odin | Oliver | Orcus | Osaka | |
| Odin | Olivery | Ordillo | Osbert | |
| Odina | Olivia | Ordo | Osborn | |
| Odine | Oliviana | Orell | Osborne | |
| Odiny | Olix | Orella | Osca | |
| Odion | Olk | Orena | Oscar | |
| Odo | Olko | Oreo | Oscha | |
| odra | Olla | Orest | Osche | |
| Odry | Ollar | Oreste | Oschi | |
| Odur | Olle | Orestee | Oschie | |
| Ody | Olli | Orestes | Oschka | |
| Odyn | Ollie | Orex | Oschy | |
| Odyssey | Olliver | Orf | Osea | |
| Oedipe | Olly | Orfa | Osiris | |
| Oeki | Olm | Orfano | Osiris Ooga | |
| Oenno | Olmar | Orfe | Oska | |
| Oeres | Olme | Orfeus | Oskar | |
| Oescha | Olnop | Orga | Oski | |
| Oeschi | Olsen | Organ | Osko | |
| Oetie | Olto | Orgos | Oslo | |
| Oets | Olya | Ori | Osmann | |
| Offa | Olymp | Oria | Osmose | |
| Offo | Olympe | Oriana | Osorkon | |
| Offset | Olympia | Orias | Ospirin | |
| Ofra | Olympius | Orie | Osra | |
| Ogar | Olympus | Oriflame | Oss | |
| Ogie | Olympy | Orim | Ossa | |
| Ogotha | Omar | Orina | Ossad | |
| Ohara | Omara | Oriolo | Ossi | |
| Ohio | Ombra | Orion | Ossia | |
| Ohla | Omedia | Oriou | Ossian | |
| Ohle | Omega | Orissa | Ossie | |
| Ohra | Omego | Orisse | Osso | |
| Ohry | Omer | Orje | Ossy | |
| Oink | Omera | Ork | Osta | |
| Oka | Ona | Orka | Ostan | |
| Okapi | Onald | Orkan | Ostara | |
| Okar | Onda | Orkane | Osti | |
| Okay | Ondee | Orke | Ostia | |
| Oki | Ondi | Orki | Ostine | |
| Okie | Ondine | Orko | Ostra | |
| Okka | Ondo | Orkus | Oswin | |
| Okki | Ondra | Orla | Otcho | |
| Okko | Ondrana | Orlan | Otella | |
| Okoi | Ondy | Orlanda | Otfried | |
| Okra | One | Orlando | Otgard | |
| Oktan | O'neil | Orlane | Othar | |
| Oktave | Onex | Orle | Othello | |
| Oktavia | Ongi | Orli | Othilde |
