| EQUIVALENTS |
| ANCIENT GERMANIC: Arnold, Arnulf |
| CATALAN: Arnau |
| DUTCH: Aart, Arend, Arno, Arnoud, Arnout |
| ENGLISH: Arn, Arnie, Arnold |
| FRENCH: Arnaud |
| FRISIAN: Anne, Arke |
| GERMAN: Arend, Arndt, Arne, Arno, Arnold, Arnulf |
| ITALIAN: Arnaldo, Arnolfo |
| LIMBURGISH: Nöl |
| NORWEGIAN: Arnt |
| DIMINUTIVES AND SHORT FORMS |
| LIMBURGISH: Nölke |
| FEMININE FORMS |
| FRENCH: Arnaude |