| Jantje | | YAHN-tyə | Dutch | |
| Jasmijn | | yahs-MIEN | Dutch | |
| Jasper | | JAS-pər (English), YAHS-pər (Dutch) | English, Dutch, Judeo-Christian Legend | |
| Jeanette | | zha-NET (French), jə-NET (English), shah-NET (Swedish) | French, English, Danish, Swedish, Norwegian, Dutch | |
| Jeanine | | zha-NEEN (French), jə-NEEN (English) | French, English, Dutch | |
| Jeannette | | zha-NET (French), jə-NET (English) | French, English, Dutch | |
| Jef | | YEF | Dutch | |
| Jelle | | YEL-lə (Dutch) | Frisian, Dutch | |
| Jeltje | | YEL-tyə (Dutch) | Frisian, Dutch | |
| Jeltsje | | - | Frisian, Dutch | |
| Jennifer | | JEN-i-fər (English) | English, German, Dutch, Swedish, Spanish | |
| Jennigje | | YEN-nikh-yə | Dutch | |
| Jenny | | JEN-ee (English) | English, Swedish, Finnish, German, Dutch, Spanish | |
| Jeroen | | yə-ROON | Dutch | |
| Jesse | | JES-ee (English), YES-sə (Dutch) | English, Dutch, Biblical | |