| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Jeffrey | JEF-ree | English | ||
| Jeffry | JEF-ree | English | ||
| Jefimija | - | Serbian | ||
| Jekaterina | ye-kah-tye-REE-nah, ee-kah-tee-REE-nah | Russian | ||
| Jela | - | Serbian, Croatian, Slovak | ||
| Jelani | - | Eastern African, Swahili | ||
| Jelena | - | Serbian, Croatian, Slovene, Estonian, Latvian, Lithuanian | ||
| Jelica | - | Serbian, Croatian | ||
| Jelisaveta | - | Serbian | ||
| Jelka | - | Slovene, Croatian, Serbian | ||
| Jelle | YEL-lə (Dutch) | Frisian, Dutch | ||
| Jeltje | YEL-tyə (Dutch) | Frisian, Dutch | ||
| Jeltsje | - | Frisian, Dutch | ||
| Jem | JEM | English | ||
| Jemima | jə-MIE-mə (English) | Biblical, English |