| Isla | Woman | Scottish Names |
| Kameron | Unisex | Scottish Names |
| Keith | Man | Scottish Names |
| Keltie | Unisex | Scottish Names |
| Kelvin | Man | Scottish Names |
| Ken | Man | Scottish Names |
| Kenneth | Man | Scottish Names |
| Kenny | Man | Scottish Names |
| Kenzie | Unisex | Scottish Names |
| Kermit | Man | Scottish Names |
| Kerr | Unisex | Scottish Names |
| Kincaid | Unisex | Scottish Names |
| Kyle | Unisex | Scottish Names |
| Kylemore | Man | Scottish Names |
| Lachlan | Man | Scottish Names |
| Laird | Man | Scottish Names |
| Lassie | Woman | Scottish Names |
| Lennox | Unisex | Scottish Names |
| Leven | Unisex | Scottish Names |
| Lilias | Woman | Scottish Names |