| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 761 | Jacenia | Greek | Hyacinth. | F | |
| 762 | Jacinda | Greek | Hyacinth. | F | |
| 763 | Jacinta | Greek | Beautiful. Variant of Jacinth: Jacinth is derived from the name of a precious stone. This name is also related to the Greek flower name for hyacinth. | F | |
| 764 | Jacinth | Greek | Jacinth is derived from the name of a precious stone. This name is also related to the Greek flower name for hyacinth. | F | |
| 765 | Jacintha | Greek | Beautiful. | F | |
| 766 | Jacinthe | Greek | Beautiful. | F | |
| 767 | Jarina | Greek | Farmer. | F | |
| 768 | Jarine | Greek | Farmer. | F | |
| 769 | Jocasta | Greek | Shining moon. Jocasta was the mother and wife of Oedipus; once Oedipus and Jocasta learned that their marriage was incestuous, Oedipus blinded himself and Jocasta committed suicide. | F | |
| 770 | Julia | Greek | Feminine form of Julius: Downy. Hairy. Derived from the clan name of Roman dictator Gaius Julius Caesar. | F | |
| 771 | Kaethe | Greek | Pure. | F | |
| 772 | Kaia | Greek | From the earth. | F | |
| 773 | Kaisa | Greek | Pure. | F | |
| 774 | Kaitlin | Greek | Variant of Katherine. Pure. | F | |
| 775 | Kali | Greek | Rosebud. | F | |
| 776 | Kalie | Greek | Rosebud. | F | |
| 777 | Kalika | Greek | Rosebud. | F | |
| 778 | Kalliope | Greek | Beautiful voice. | F | |
| 779 | Kallista | Greek | Most beautiful. In Mythology the Arcadian nymph Calista transformed into a she-bear; then into the Great Bear constellation. | F | |
| 780 | Kalonice | Greek | Victory of beauty. | F | |