| Armo | | AHR-mo | Finnish | |
| Arn | | AHRN | English | |
| ArnÓRr | | - | Ancient Scandinavian | |
| Arn&Thorn;ÓRr | | - | Ancient Scandinavian | |
| ArnbjÖRg | | - | Ancient Scandinavian, Icelandic | |
| Arnborg | | - | Swedish (Rare) | |
| Arne (1) | | AHR-ne (Swedish) | Swedish, Norwegian, Danish | |
| Arnfinnr | | - | Ancient Scandinavian | |
| Arnie | | AHR-nee | English | |
| Arnold | | AHR-nəld (English), AHR-nawlt (German) | English, German, Ancient Germanic | |
| Arnvi&Eth;R | | - | Ancient Scandinavian | |
| Aron | | AH-rawn (Polish), AH-ron (Croatian) | Polish, Croatian, Swedish, Norwegian, Danish, Icelandic | |
| Arran | | - | Scottish | |
| Arrats | | - | Basque | |
| Arron | | AR-ən, ER-ən | English | |