| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 541 | Nachton | Scottish | Pure. | M | |
| 542 | Nairne | Scottish | From the alder - tree river. | M | |
| 543 | Nathair | Scottish | Snake. | M | |
| 544 | Nathrach | Scottish | Snake. | M | |
| 545 | Nathraichean | Scottish | Snake. | M | |
| 546 | Naughton | Scottish | Pure. | M | |
| 547 | Neakail | Scottish | Victorious people. | M | |
| 548 | Nechtan | Scottish | Pure. | M | |
| 549 | Neilan | Scottish | Champion Form of Neil. | M | |
| 550 | Neill | Scottish | Champion Form of Neil. | M | |
| 551 | Ness | Scottish | From the headland. | M | |
| 552 | Niall | Scottish | Champion. | M | |
| 553 | Nicol | Scottish | Victorious; conquerer of the people. Variant of Nicholas. | M | |
| 554 | Norris | Scottish | From the north. | M | |
| 555 | Norval | Scottish | From the north valley. | M | |
| 556 | Ogilhinn | Scottish | From the high peak. | M | |
| 557 | Ogilvie | Scottish | From the high peak. | M | |
| 558 | Oidhche | Scottish | Night. | M | |
| 559 | Oliphant | Scottish | Great strength. | M | |
| 560 | Paden | Scottish | Royal. | M | |