| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Jaak | - | Estonian, Flemish | ||
| Jaakob | - | Finnish (Rare), Estonian (Rare) | ||
| Jaakoppi | YAH:-kop-pee | Finnish (Rare) | ||
| Jaala | - | Biblical | ||
| Jaan | - | Estonian | ||
| Jaasau | - | Biblical | ||
| Jabbar | - | Arabic | ||
| Jabez | JAY-bez (English) | Biblical | ||
| Jabin | JAY-bin (English) | Biblical | ||
| Jabir | - | Arabic | ||
| Jabr | - | Arabic | ||
| Jabril | - | Arabic | ||
| Jacenty | yah-TSEN-ti | Polish (Rare) | ||
| Jachin | JAY-kin (English) | Biblical | ||
| Jacinda | - | English (Rare) |