| Name | Meaning | Gender | Origin |
|---|
| Joe | Abbreviation of Joseph.
| Male | English |
| Jones | God Will Bring | Male | Welsh |
| Judd | praised | Male | Medieval |
| Julian | Jove's child. Form of Julius and family clan name of several powerful Roman emperors. Biblical Roman centurion Julius saved Paul's life during a hazardous voyage
| Male | English |
| Jupiter | Zeus, Father | Male | Roman |
| Kai | Fire
| Male | Hawaiian |
| Kingston | From the king's village or estate King's field. King is one of several titles occasionally used as given names.
| Male | English |
| Kipp | wearing a crown, sharply pointed hill | Male | English |
| Lennon | small cloak or cape | Male | Irish |
| Lenny | brave lion | Male | English |
| Leon | lion | Male | Greek |
| Leonard | lion-hearted | Male | |
| Leopold | after Leopoldo in the movie Blood and Roses | Male | |
| Levi | United | Male | Hebrew |
| Linus | flaxen-haired | Male | Greek |
| Lionel | Cousin of Lancelot
| Male | Latin |
| Locke | after the philosopher John Locke | Male | English |
| Luca | man from Lucania | Male | Italian |
| Luke | Light | Male | Greek |
| Magnus | One who is great.
| Male | Latin |
| Marco | warlike | Male | Italian |
| Matteo | Variant of Matthew. Gift of God.
| Male | Italian |
| Maxwell | Capable
| Male | Scottish |
| Miles | of smiles | Male | Latin |
| Miller | one who mills. Brand of American beer | Male | English |