| Name | Total | Name | Total |
|---|---|---|---|
| Laing | 2 | Litham | 1 |
| Laing 7X GGF | 1 | Longmuir (Wilson) | 1 |
| Laing 8X GGF | 1 | Lorne | 2 |
| Laird | 6 | Lothian | 67 |
| Laird of Merchistoun | 1 | Louk | 1 |
| Lamb | 3 | Lourie | 1 |
| Lambe | 1 | Louthian | 2 |
| Langley | 1 | Love | 2 |
| Laudean | 1 | LOW | 3 |
| Laurie | 2 | Lundie | 12 |
| law | 2 | Lundie 1656 md Elspeth Henderson | 1 |
| Lawrie | 1 | Lundie , 7th Laird of Strathairlie | 1 |
| Leckie 8th Laird of Leckie | 1 | Lundie 1550 md Helen Dudingston | 2 |
| Leckie 9 th Laird of Lackie | 1 | Lundie 1579 md Mariotta Ballinghall; 1598 Helen Wood; 1609 J | 2 |
| Leckie I (10th Laird of Lackie) | 1 | Lundie 1799 md Mary lundie | 1 |
| Leckie, 11th Laird of Leckie | 1 | Lundin | 2 |
| Lecky 7th Laird of Leckie | 1 | Lyall | 1 |
| Leich | 1 | Lyall or Layell | 1 |
| Leslie | 2 | LYELL | 1 |
| Lesly | 1 | - | - |