| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 1321 | Jillet | English | A variant of Jill, which is believed to have been the origin of the term to jilt, used when a person unexpectedly rejects a lover or fiancT. | F | |
| 1322 | Jillian | English | Child of the gods. A modern variant of Gillian, which is a feminine form of Julian, meaning Jove's child. | F | |
| 1323 | Jilliane | English | Jove's child. Variant of Gillian from the masculine Julian. | F | |
| 1324 | Jilliann | English | Jove's child. Variant of Gillian from the masculine Julian. | F | |
| 1325 | Jillianna | English | Jove's child. Variant of Gillian from the masculine Julian. | F | |
| 1326 | Jillianne | English | Jove's child. Variant of Gillian from the masculine Julian. | F | |
| 1327 | Jilly | English | Abbreviation of Jillian or Gillian. Jove's child. | F | |
| 1328 | Jimi | English | Modern feminine of Jimmy. | F | |
| 1329 | Jimmi | English | Modern feminine of Jimmy. | F | |
| 1330 | Jinni | English | Variant of Jenny which is a diminutive of Jane and Jennifer. | F | |
| 1331 | Jinny | English | Variant of Jenny which is a diminutive of Jane and Jennifer. | F | |
| 1332 | Jiselle | English | Pledge. Phonetic spelling of Giselle. | F | |
| 1333 | Jo | English | Abbreviation of names like Joanna and Josephine. Also used as a prefix in compound names like Jobeth and Jolisa. | F | |
| 1334 | Joan | English | God is gracious. Feminine form of John Famous Bearers: Legendary Pope Joan, who was a woman masquerading as a man; French heroine Joan of Arc (Jeanne dArc); actresses Joan Crawford, Joan Fontaine, and Joan Collins. | F | |
| 1335 | Joana | English | Variant of Joan. | F | |
| 1336 | Joanie | English | Variant of Joan. | F | |
| 1337 | Joann | English | Variant of Joan. | F | |
| 1338 | Joanna | English | Variant of Joan. Feminine of John. | F | |
| 1339 | Joanne | English | Variant of Joan. | F | |
| 1340 | Jocelina | English | Medieval male name adopted as a feminine name. | F | |