| Laban | m | Arabic | Laban is a male first name from the Bible, whose roots lie in Ancient Hebrew |
| Laska | f | Polish | The first name Laska comes from both Polish and Czech |
| Leander-Damian | m | English | Leander-Damian is a double name combining Leander ("man of the people") and Damian ("th… |
| Lech-Marek | m | Polish | Lech-Marek is a double name combining Lech ("the cunning one") and Marek ("the one dedi… |
| Lenny-Damian | m | English | Lenny-Damian is a double name combining Lenny ("the lion-strong") and Damian ("the conq… |
| Leokadia | f | Greek | Leokadia derives from the ancient Greek name Leukos (Λεῦκος) and refers to the Greek pr… |
| Leszek | m | | Leszek is a male name rooted in Old Polish |
| Lew | m | Polish | The name Lew, which is used in both Poland and Russia, is a variant of Lev, a Russian f… |
| Lidia | f | Italian | Lidia is an alternative form of the biblical name Lydia |
| Lilianna | f | Latin | Lilianna is an extended form of Lilia and metaphorically means 'the lily' or 'the pure … |
| Lisian | m | Polish | Lisian, a boy's name of Albanian origin, is directly translated as 'the oak', which is … |
| Liwia | f | Latin | The name Liwia is considered a feminine form of Livia and has its roots in the Roman na… |
| Lojzik | m | Polish | This form is a Czech diminutive of Alois |
| Longin | m | Latin | Longin is a short form of the Latin name Longinus, which means 'the tall one' |
| Longina | f | Latin | Longina is the feminine counterpart of the name Longin and means 'the Long one' |
| Lonia | f | Polish | Lonia is regarded as a female first name that represents a shortened form of Apolonia |
| Lourdes-Hortensia | f | Greek | Lourdes-Hortensia is a double name combining Lourdes ("heavy-hearted") and Hortensia ("… |
| Lubomir | m | Polish | The name Lubomir (Lubomír) has its roots in Old Slavic and is composed of the elements … |
| Lucki | m | Latin | Lucki, a masculine first name, is a Polish and Czech diminutive of Lukas, whose origin … |
| Ludmila | f | Polish | Ludmila is a female first name of Slavic origin, primarily used in the Latvian, Upper S… |
| Lui-Damian | m | English | Lui-Damian is a double name combining Lui ("the renowned warrior") and Damian ("the con… |
| Lukan | m | Latin | The name Lukan is a variant of Lucan and has its roots in the Roman surname Lucanus, or… |
| Lukasz | m | Polish | Lukasz (Łukasz) is mainly regarded as the Polish form of Lukas, whose origin lies in th… |
| Lunia | f | Latin | Lunia is a derivative of the name Luna and can be translated from Latin as 'the moon' |
| Lusia | f | Latin | The first name Lusia is regarded as a variant of Lucia and is the feminine form of Lucian |
| Lutka | f | Polish | The name Lutka originates from the Old Polish term 'lutka' or 'lȕtka', which means 'dol… |