| 1. | LACHIN | From Azerbaijan lacin "hawk". It is a rare name now only the surname Lachinyan is met. |
| 2. | LALABEG(Lalabek) | From Persian lala "trainer", "tutor" and beg "prince". The corresponding surname is Lalabegyan (Lalabekyan). |
| 3. | LALAZAR | From Persian lalazar "tulip garden". The corresponding surname is Lalazaryan. |
| 4. | LAZAR | From Greek name Lazaros. In Arm. there are also the forms Ghazar, Ghazaros (l>gh Arm sound alter). The diminutive forms are Lazarik, Lazrik; the corresponding surname is Lazaryan. |
| 5. | LENTRUSH(Lentrosha) | Is formed from the first letters of the names of Lenin and his revolutionary inheritors. Later it changed into Lendrosh (Lenin+drosh "flag"). |
| 6. | LEONID | Comes from Greek leon "lion" + idos diminutive suffix. It came by means of literature. |
| 7. | LERNIK | From Armenian ler "mount" + ik diminutive suffix. The female variant is Lernuhi. |
| 8. | LEVON | From Greek leon "lion" (Latin Leo, Russian Lev, French Leon etc.). The corresponding surname is Levonyan. |
| 9. | LEVUSH | Is one of the forms of the name Levon. |
| 10. | LIPARIT | Is of Georgian origin. The short form is Lipo. |