| Name | M/F | Meaning |
|---|---|---|
| Oakki | ![]() |
Meaning : Earth, Man Used in : Finnish |
| Oatam | ![]() |
Meaning : Earth, Man Used in : Finnish |
| Oatikki | ![]() |
Meaning : Earth, Man Used in : Finnish |
| Ohvana | ![]() |
Meaning : Locust Used in : Finnish |
| Oikka | ![]() |
Meaning : Splendid, Excellent Used in : Finnish |
| Oikki | ![]() |
Meaning : Splendid, Excellent Used in : Finnish |
| Oikku | ![]() |
Meaning : Splendid, Excellent Used in : Finnish |
| Oippo | ![]() |
Meaning : Splendid, Excellent Used in : Finnish |
| Oitsa | ![]() |
Meaning : Splendid, Excellent Used in : Finnish |
| Oiva | ![]() |
Meaning : Excellent Used in : Finnish |
| Oke | ![]() |
Meaning : A Form Of Oscar, Divine Strength Used in : African, German, Finnish, African |
| Oki | ![]() |
Meaning : Middle Of The Ocean Used in : Finnish, Finnish, Australian, Japanese, Japanese |
| Okke | ![]() |
Meaning : Wealth, Forture Used in : Finnish, German |
| Okki | ![]() |
Meaning : God Spear, Gentle Friend Used in : Finnish |
| Okko | ![]() |
Meaning : Wealth, Forture Used in : Finnish, German |
| Oku | ![]() |
Meaning : Divine Spearer Used in : Finnish |
| Olav | ![]() |
Meaning : Ancestor's Relic, Relic, Ancestral Heritage Used in : Australian, Danish, Finnish, French, German, Norse, Norwegian, Scandinavian, Swedish |
| Olavi | ![]() |
Meaning : Family Descendent Used in : Australian, Finnish |
| Ole | ![]() |
Meaning : Ancestor's Descendant Used in : Australian, Danish, Finnish, French, German, Norse, Scandinavian, Swedish |
| Oleg | ![]() |
Meaning : Holy Used in : Australian, Chinese, Czechoslovakian, Danish, Finnish, French, German, Polish, Russian, Slavic, Swedish, Australian |
| Oleks | ![]() |
Meaning : Defending Men, Warrior Used in : Finnish |
| Oleksei | ![]() |
Meaning : Defending Men, Warrior Used in : Finnish |
| Oleksi | ![]() |
Meaning : Defending Men, Warrior Used in : Finnish |
| Olesa | ![]() |
Meaning : Defender Of Men Used in : Finnish |
| Oliver | ![]() |
Meaning : Olive Tree, Elf Army Used in : American, Australian, Chinese, British, Danish, Dutch, English, Finnish, French, German, Irish, Jamaican, Latin, Norse, Swedish, Swiss, Australian |
| Olkki | ![]() |
Meaning : Family Descendent Used in : Finnish |
| Olkku | ![]() |
Meaning : Family Descendent Used in : Finnish |
| Olle | ![]() |
Meaning : Family Descendent Used in : Australian, Finnish, German, Scandinavian, Swedish |
| Olli | ![]() |
Meaning : Heir Of The Ancestors Used in : Australian, German, Swedish, Finnish, German, Swiss |
| Ollu | ![]() |
Meaning : Family Descendent Used in : Finnish |
| Ollukka | ![]() |
Meaning : Family Descendent Used in : Finnish |
| Ondrei | ![]() |
Meaning : Man Warrior Used in : Australian, Finnish |
| Ondri | ![]() |
Meaning : Man, Warrior Used in : Finnish |
| Ondruska | ![]() |
Meaning : Man, Warrior Used in : Finnish |
| Onne | ![]() |
Meaning : Happiness Used in : Finnish |
| Onni | ![]() |
Meaning : Happiness, Luck Used in : Australian, Finnish, Australian |
| Ontrei | ![]() |
Meaning : Man, Warrior Used in : Finnish |
| Ontro | ![]() |
Meaning : Man, Warrior Used in : Finnish |
| Ontti | ![]() |
Meaning : Man, Warrior Used in : Finnish |
| Ontto | ![]() |
Meaning : Man, Warrior Used in : Finnish |
| Oola | ![]() |
Meaning : A Red Lizard, Fire Place Used in : German, Finnish |
| Ope | ![]() |
Meaning : Splendid Used in : Finnish, Australian |
| Orkko | ![]() |
Meaning : Volet, Pansy Used in : Finnish |
| Orpo | ![]() |
Meaning : Lonely Used in : Finnish |
| Orvar | ![]() |
Meaning : Arrow Used in : Finnish, Swedish |
| Osippa | ![]() |
Meaning : God Will Add Another Son Used in : Finnish |
| Oska | ![]() |
Meaning : Divine Spear, Gentle Friend Used in : Australian, Finnish |
| Oskar | ![]() |
Meaning : Divine Spear, Gentle Friend Used in : Australian, British, Czechoslovakian, Danish, English, Finnish, German, Norse, Polish, Scandinavian, Swedish |
| Oskari | ![]() |
Meaning : Leaping Warrior Used in : Finnish |
| Oski | ![]() |
Meaning : Divine Spear, Gentle Friend Used in : Finnish |
| Osku | ![]() |
Meaning : Divine Spear, Gentle Friend Used in : Finnish |
| Osmo | ![]() |
Meaning : Young Man Used in : Finnish |
| Osmu | ![]() |
Meaning : Young Man Used in : Finnish |
| Oso | ![]() |
Meaning : Bear Used in : Finnish |
| Osse | ![]() |
Meaning : Little Deer Used in : Finnish |
| Ossee | ![]() |
Meaning : Little Deer Used in : Finnish |
| Ossi | ![]() |
Meaning : Leaping Warrior Used in : Finnish, German |
| Ossiaan | ![]() |
Meaning : Little Deer Used in : Finnish |
| Ossian | ![]() |
Meaning : Dear Used in : Australian, Celtic, Danish, Finnish, Irish, Latin, Swedish |
| Osva | ![]() |
Meaning : God Power Used in : Finnish |
| Osvald | ![]() |
Meaning : Possibly Divine Power Used in : British, English, Finnish, German, Norwegian, Swedish, Teutonic |
| Osvaltti | ![]() |
Meaning : Possibly Divine Power Used in : Finnish |
| Osvi | ![]() |
Meaning : Possibly Divine Power Used in : Finnish |
| Oti | ![]() |
Meaning : Weatlh Used in : German, Finnish |
| Otsa | ![]() |
Meaning : Weatlh Used in : Finnish |
| Otso | ![]() |
Meaning : Bear Used in : Finnish |
| Otto | ![]() |
Meaning : Wealth, Forture Used in : American, Australian, Japanese, British, Danish, Dutch, English, Finnish, French, German, Italian, Polish, Swedish, Teutonic |
| Otu | ![]() |
Meaning : Collecting Seashells In A Basket Used in : Finnish |
| Otukka | ![]() |
Meaning : Weatlh Used in : Finnish |