| Lohansh | A part of iron or strong metal. |
| Lokant | Derived from Sanskrit, means 'one who is associated with the universe' |
| Lokeesh | King of the World |
| Luntha | One who is agile and energetic. |
| Laborc | A name of Slavic origin meaning worker. |
| Lantos | A Hungarian name meaning a minstrel. |
| Lehel | An ancient name meaning to breathe. |
| Langhar | A person who is a wanderer. |
| Lenlie | A meadow of flax or linen field. |
| Liones | One who is brave like a lion. |
| Lohitaka | A person with a reddish complexion. |
| Lomasa | One who is covered in soft hair. |
| Lookman | A wise and intelligent teacher. |
| Labhcas | A name meaning a bold talker. |
| Labhraidh | One who is a loud speaker. |
| Labraid | Derived from the Irish word for speaker. |
| Labraidh | A variant spelling meaning the speaker. |
| Labras | An Irish name meaning the eloquent one. |
| Lachtin | Derived from the Irish word for milk. |
| Lachtna | An Irish name meaning the milky one. |
| Lachtnan | A diminutive meaning little milk one. |
| Laegaire | An Irish name meaning calf herder. |
| Laegh | An Irish name meaning a young calf. |
| Laeghaire | A name meaning keeper of the calves. |
| Laidhgeann | An Irish name meaning poet head. |
| Laighneach | A person from the province of Leinster. |
| Laisrean | Flame; Fire; From Lassar |
| Laisrian | Derived from the Irish word for flame. |
| Lalar | A name of uncertain ancient Irish origin. |
| Lanty | Devotee of Saint Seachnall |
| Laobhan | Oblique; Crooked |
| Laoighseach | Belonging to the people of Laoighis. |
| Laoire | An Irish name meaning calf or young bull. |
| Laoiseach | A County in Ireland; One from Leix |
| Lasairian | A name meaning little flame or fire. |
| Laserian | Derived from the Irish word for flame. |
| Lavarcham | Crooked Book; Dishonest Book |
| Lawlor | Descendant of the loud or talkative one. |
| Layvawn | Oblique; Crooked |
| Lazerian | A variant of the name meaning flame. |