| Name | M/F | Meaning |
|---|---|---|
| O-rando | ![]() |
Meaning : Used in : Japanese |
| Obanjoko | ![]() |
Meaning : The King Is Enthroned Used in : African |
| Obbo | ![]() |
Meaning : Used in : German |
| Obeko | ![]() |
Meaning : Used in : Basque |
| Obiako | ![]() |
Meaning : Used in : African |
| Obialo | ![]() |
Meaning : Used in : African, African |
| Obidigbo | ![]() |
Meaning : The Heart Is Powerful. Used in : Nigerian |
| Octaviano | ![]() |
Meaning : Used in : French |
| Octavio | ![]() |
Meaning : Eighth, Eighth Child Used in : American, Australian, Chinese, British, Danish, English, French, German, Italian, Latin |
| Octavo | ![]() |
Meaning : Eighth Child, This Name Was Given To The Eighth Child In A Large Family Used in : Latin |
| Odaro | ![]() |
Meaning : I Am Contented Used in : Nigerian, Nigerian |
| Oddo | ![]() |
Meaning : Used in : French, German, Italian |
| Oderigo | ![]() |
Meaning : Used in : Italian |
| Odero | ![]() |
Meaning : Used in : Australian |
| Odiambo | ![]() |
Meaning : Son Born In The Evening (Kenya) Used in : African |
| Odiano | ![]() |
Meaning : Used in : French |
| Odikpo | ![]() |
Meaning : Emeka Odikpo, Spokesman, Local Organizing Committee Of Nigeria 2009 Used in : Nigerian |
| Odilo | ![]() |
Meaning : In Teutonic meaning is : Rich. Used in : French, German, Teutonic |
| Odino | ![]() |
Meaning : Used in : Australian, French |
| Odio | ![]() |
Meaning : Used in : French |
| Odisho | ![]() |
Meaning : Used in : Australian |
| Odo | ![]() |
Meaning : In french meaning is : Name of a bishop Used in : British, English, French, German, Polish, Teutonic |
| Odo-mario | ![]() |
Meaning : Used in : German |
| Odoardo | ![]() |
Meaning : Used in : German |
| Odongo | ![]() |
Meaning : Second Of Twins (Luo) Used in : African, Kenyan |
| Odorisio | ![]() |
Meaning : Used in : Australian |
| Odunayo | ![]() |
Meaning : My Year Of Joy Oluwarotimi Odunayo Akeredolu - Senior Advocate Of Nigeria Who Became President Of The Nigerian Bar Association In 2008. Used in : Nigerian, Nigerian |
| Ofelio | ![]() |
Meaning : Used in : French, Latin |
| Offo | ![]() |
Meaning : Used in : Dutch, German |
| Ogaleesha ohanko | ![]() |
Meaning : Used in : Native American |
| Ogbo | ![]() |
Meaning : Used in : African |
| Ogo | ![]() |
Meaning : Used in : African, African |
| Ogunsanawo | ![]() |
Meaning : Used in : African |
| Ogunsanwo | ![]() |
Meaning : Help Comes From Ogun, God Of War Used in : African |
| Oho | ![]() |
Meaning : Used in : Australian |
| Oippo | ![]() |
Meaning : Splendid, Excellent Used in : Finnish |
| Ojiro | ![]() |
Meaning : Used in : Japanese |
| Ojo | ![]() |
Meaning : Born In A Difficult Delivery Used in : African, Japanese |
| Okafo | ![]() |
Meaning : Used in : African |
| Okahito | ![]() |
Meaning : Used in : Japanese |
| Okello | ![]() |
Meaning : Born After Twins (Luo) Used in : African, Kenyan |
| Okeyo | ![]() |
Meaning : Born During The Harvest (Luo Origin ) Used in : African, Kenyan |
| Okihiko | ![]() |
Meaning : Used in : Japanese |
| Okito | ![]() |
Meaning : Used in : Japanese |
| Okko | ![]() |
Meaning : Wealth, Forture Used in : Finnish, German |
| Oko | ![]() |
Meaning : Elder Of Twins Used in : African, Ghanaian, Japanese, Japanese |
| Okonkwo | ![]() |
Meaning : Born On Nkwo Market Day Used in : African |
| Okoronkwo | ![]() |
Meaning : Used in : African |
| Oktavio | ![]() |
Meaning : Used in : German |
| Okttaviano | ![]() |
Meaning : Used in : Australian |
| Okudo | ![]() |
Meaning : Used in : African |
| Okyoito | ![]() |
Meaning : Used in : Japanese |
| Oladapo | ![]() |
Meaning : Used in : Australian |
| Oladayo | ![]() |
Meaning : Used in : Australian |
| Olaf-otto | ![]() |
Meaning : Used in : German |
| Olaf-udo | ![]() |
Meaning : Used in : German |
| Olando | ![]() |
Meaning : Used in : Australian |
| Olatokunbo | ![]() |
Meaning : Used in : African, African |
| Olavo | ![]() |
Meaning : Heir, Ancestor Used in : Portuguese |
| Olegario | ![]() |
Meaning : Used in : French |
| Olendo | ![]() |
Meaning : Used in : Australian |
| Olentzaro | ![]() |
Meaning : Used in : Basque |
| Oliano | ![]() |
Meaning : Used in : African |
| Olindo | ![]() |
Meaning : Used in : Australian |
| Olinto | ![]() |
Meaning : Used in : Australian, Italian |
| Oliver-marco | ![]() |
Meaning : Used in : German |
| Oliver-mirco | ![]() |
Meaning : Used in : German |
| Oliverio | ![]() |
Meaning : In latin meaning is : Peaceful; An olive tree. Used in : French, Italian, Latin, Spanish |
| Olivero | ![]() |
Meaning : An Olive Tree. Used in : Latin |
| Oliviero | ![]() |
Meaning : In latin meaning is : An olive tree. Used in : Australian, French, German, Italian, Latin |
| Olivio | ![]() |
Meaning : In portuguese meaning is : Olive tree Used in : Australian, Portuguese |
| Olivo | ![]() |
Meaning : Used in : Australian |
| Ollovico | ![]() |
Meaning : Used in : Celtic |
| Olmo | ![]() |
Meaning : Used in : Australian |
| Olo | ![]() |
Meaning : Used in : Kurdish, German |
| Olubayo | ![]() |
Meaning : Highest Joy Used in : African, African |
| Olympio | ![]() |
Meaning : Used in : French, Swiss |
| Omenuko | ![]() |
Meaning : Used in : African |
| Omero | ![]() |
Meaning : In greek meaning is : Security, Pledge. Used in : Arabic, Australian, Greek, Italian, Latin |
| Omezo | ![]() |
Meaning : Used in : Japanese |
| Omhro | ![]() |
Meaning : Used in : Australian |
| Omio | ![]() |
Meaning : Used in : Bengali |
| Omitabho | ![]() |
Meaning : Used in : Bengali |
| Omko | ![]() |
Meaning : Used in : German |
| Ommo | ![]() |
Meaning : Used in : German |
| Omo | ![]() |
Meaning : Used in : Kurdish, Italian |
| Omoro | ![]() |
Meaning : Used in : African |
| Omrao | ![]() |
Meaning : King Used in : Hindu |
| Onesemo | ![]() |
Meaning : Used in : Australian |
| Onesto | ![]() |
Meaning : Used in : Australian, Italian |
| Onfrio | ![]() |
Meaning : Used in : German |
| Onihiko | ![]() |
Meaning : Used in : Japanese |
| Oninddo | ![]() |
Meaning : Used in : Bengali |
| Onindo | ![]() |
Meaning : Mother Slept Alot During Pregnancy (Luo Origin ) Used in : African, Kenyan |
| Onindro | ![]() |
Meaning : Used in : Bengali |
| Onno | ![]() |
Meaning : Used in : Australian, Dutch, German, Netherlands, Dutch |
| Onofio | ![]() |
Meaning : Used in : Australian |
| Onofredo | ![]() |
Meaning : Peace Used in : German, Italian |
| Onofrio | ![]() |
Meaning : In german meaning is : Peace Used in : Australian, German, Italian, Latin |
| Onorato | ![]() |
Meaning : Used in : Australian, Italian, Latin |