| Name | Meaning | Gender | Origin |
|---|
| Jonah | Dove. In the bible Jonah was on board a ship God caused to sink: sailors traditionally use the name Jonah to personify someone who brings bad luck.
| Male | Hebrew |
| Jonas | Dove. Variant of Hebrew Jonah.
| Male | Greek |
| Jonathan | God gives | Male | Hebrew |
| Jordan | The descending river, to flow | Male | Hebrew |
| Joseph | God will increase | Male | Hebrew |
| Josephine | God will increase | Female | |
| Joshua | God is salvation
| Male | Hebrew |
| Judy | Hebrew, He will be praised, woman from Judea | Female | English |
| Kayla | crown of laurels | Female | Arabic |
| Kelila | laurel, crown | Female | Hebrew |
| Kizzie | Cinnamon tree | Unisex | Hebrew |
| Lazar | God Is My Helper | Unisex | Hungarian |
| Lazarus | God's help | Male | Greek |
| Leah | cow, weary one; glad tidings; mistress, ruler | Female | Hebrew |
| Levi | United | Male | Hebrew |
| Liam | Form of William.
| Male | Irish |
| Lilah | The Lily | Unisex | |
| Lily | Lily
| Female | English |
| Lisa | Devoted to God
| Female | English |
| Logan | little hollow | Male | Scottish |
| Low | | Unisex | Hebrew |
| Lucas | Form of Luke light: illumination.
| Male | Latin |
| Madeline | woman from Magdala, one who is elevated, a high tower | Female | English |
| Magda | high tower one who is elevated | Female | |
| Malka | queen | Female | Hebrew |