| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| JABR | - | Arabic | ||
| JABRIL | - | Arabic | ||
| JACÓ | - | Portuguese | ||
| JACE | JAYS | English | ||
| JACEK | YAH-tsek | Polish | ||
| JACENTY | yah-TSEN-ti | Polish (Rare) | ||
| JACHIN | JAY-kin (English) | Biblical | ||
| JACINTO | hah-THEEN-to (Spanish), hah-SEEN-to (Latin American Spanish) | Spanish, Portuguese | ||
| JACK | JAK | English | ||
| Jack | [dʒæk] | |||
| JACKIN | - | Medieval English | ||
| JACKSON | JAK-sən | English | ||
| Jackson | ['dʒæksn] | |||
| JACKY | - | French | ||
| Jacob | ['dʒeikəb] |