| Keyla | Who is like God? |
| Kiba | A name meaning a forest or a fang. |
| Kinneret | The Sea of Galilee in Israel. |
| Kinnette | A small or youthful kin group. |
| Kiva | A name meaning a sacred space. |
| Kivi | A name meaning a stone or rock. |
| Kizzy | A name meaning cinnamon or fragrant. |
| Kohen | A Hebrew name meaning a holy priest. |
| Ksena | Praise be to God |
| Kyla | A name meaning a narrow land spit. |
| Laban | A name meaning white or pure. |
| Lael | Belonging to God. Traditional male Biblical name. |
| Laila | A beauty of the night, born at nightfall; Born at night; Born at night. Variant of Leila.; Light.; Night.; Nightfall; Variant of Layla: Night. Born at night. Sweetheart. |
| Laili | A name meaning night or evening. |
| Lailie | A variant meaning night beauty. |
| Lanaia | Lanaia is a Hawaiian name meaning 'beautiful flower' or 'blooming flower' symbolizing growth and beauty. |
| Lapidos | A name meaning stones or rocky ground. |
| Lapidoth | A Hebrew name meaning torches or lamps. |
| Lavan | A name meaning salt or beauty. |
| Lavey | Derived from levi |
| Lavi | A name meaning lion or brave heart. |
| Laylie | A variant meaning night. |
| Lazar | God has helped or assisted. |
| Lazarus | God has helped or assisted. |
| Lazzaro | God has helped or assisted. |
| Lea | A meadow or grassy clearing. |
| Leb | A name meaning heart or courage. |
| Leesa | "Variant of Lisa, Lise, Lisetta: A familiar form of Elisabeth: Consecrated to God" |
| Lemmy | Diminutive of Lemuel: Devoted to God. The hero |
| Lemuel | Dedicated to God |
| Lemuela | Devoted to the Lord God |
| Lesham | A name meaning a precious gemstone. |
| Lev | A name meaning heart or lion. |
| Levey | A name meaning a dear relative. |
| LEVI | A name meaning joined or united. |
| Levia | Derived from the Hebrew word for joined. |
| Lewanna | A name meaning a rising bright star. |
| Lewi | A name meaning one who is attached. |
| Liesbet | A Dutch name meaning God is my oath. |
| Liesheth | A variant meaning God is my oath. |