| Name | M/F | Meaning |
|---|---|---|
| Olda | ![]() |
Meaning : Used in : Czechoslovakian, Australian, Czechoslovakian |
| Oldik | ![]() |
Meaning : Used in : Czechoslovakian |
| Oldrich | ![]() |
Meaning : In czech meaning is : one with riches and power Used in : Australian, Czechoslovakian, Czech |
| Oleg | ![]() |
Meaning : In russian meaning is : Holy. Used in : Australian, Chinese, Czechoslovakian, Danish, Finnish, French, German, Polish, Russian, Slavic, Swedish, Australian |
| Olin | ![]() |
Meaning : In Scandinavian meaning is : Ancestor Used in : American, Australian, Chinese, Scandinavian, British, Czechoslovakian, English, German, Norse, Scandinavian, Australian |
| Ondra | ![]() |
Meaning : Used in : Czechoslovakian, Australian |
| Ondrasek | ![]() |
Meaning : Used in : Czechoslovakian |
| Ondrej | ![]() |
Meaning : In Polish meaning is : Manly, Brave, Strong Used in : Australian, Czechoslovakian, Czech, German, Polish |
| Ondrus | ![]() |
Meaning : In czech meaning is : Manly Used in : Czechoslovakian, Czech |
| Oskar | ![]() |
Meaning : In finnish meaning is : Divine spear, Gentle friend Used in : Australian, British, Czechoslovakian, Danish, English, Finnish, German, Norse, Polish, Scandinavian, Swedish |
| Oskarek | ![]() |
Meaning : Used in : Czechoslovakian |
| Ota | ![]() |
Meaning : In Teutonic meaning is : Rich. Used in : French, German, British, Czechoslovakian, Czech, English, Teutonic, Czechoslovakian |
| Otakar | ![]() |
Meaning : Used in : Czechoslovakian |
| Otakarek | ![]() |
Meaning : Used in : Czechoslovakian |
| Otek | ![]() |
Meaning : In Polish meaning is : Wealthy, Fortune Used in : Czechoslovakian, German, Polish |
| Otik | ![]() |
Meaning : In czech meaning is : Wealthy Used in : Czechoslovakian, Czech, German, Teutonic |
| Otmar | ![]() |
Meaning : In Swedish meaning is : Great, Famous Used in : Australian, Czechoslovakian, Danish, French, German, Swedish |
| Oto | ![]() |
Meaning : In Teutonic meaning is : Rich. Used in : African, Czechoslovakian, German, Teutonic |