| Jacinth | Woman | Greek Names |
| Jacinthe | Woman | French Names |
| Jack | Man | English Names |
| Jackie | Woman | English Names |
| Jackopa | Unisex | Native American - Ojibwa Names |
| Jackson | Man | English Names |
| Jaclyn | Woman | American Names |
| Jacob | Man | Hebrew Names |
| Jacoba | Woman | Hebrew Names |
| Jacobean | Unisex | English Names |
| Jacobien | Woman | Dutch Names |
| Jacoby | Man | English Names |
| Jacop | Man | Turkish Names |
| Jacory | Man | American Names |
| Jacquard | Unisex | French Names |
| Jacqueline | Woman | French Names |
| Jacquelle | Woman | French Names |
| Jacques | Man | French Names |
| Jacquez | Man | Basque Names |
| Jacquotte | Woman | French Names |