| Johnson | Son of John; Variant of the Hebrew John Jehovah has been gracious: has shown favor. |
| Joie | A name meaning joy and gladness. |
| Jolee | Cheerful: pretty. |
| Jolie | Beautiful; Cheerful: pretty.; Pretty; A pretty young woman |
| Jon | Variant of John or abbreviation of Jonathan Jehovah has been gracious: has shown favor. Sometimes used in the French fashion hyphenated with a second name like Jon-Carlo or Jon-Paul |
| Jonn | Variant of John or abbreviation of Jonathan Jehovah has been gracious: has shown favor. |
| Jontae | Combination name |
| Jorden | Variant of Hebrew Jordan down flowing. |
| Jordon | Variant of Hebrew Jordan down flowing. |
| Josalynn | Medieval male name adopted as a feminine name. |
| Joselin | Tribal name of the Gauts |
| Joselyn | Tribal name of the Gauts |
| Josephe | Feminine form of Joseph |
| Josette | Feminine form of Joseph |
| Joslin | Medieval male name adopted as a feminine name. |
| Joslyn | Medieval male name adopted as a feminine name. |
| Josobelle | "Fair child, pure." |
| Jourdan | Variant of Hebrew Jordan down flowing. |
| Joy | Jewel: Rejoicing. |
| Joyanna | A joyful and gracious person. |
| Joyanne | One who brings joyful grace. |
| Joyelle | A joyful and happy maiden. |
| Jozlyn | Medieval male name adopted as a feminine name. |
| Juene | A name meaning youthful or new. |
| Juin | The French word for June. |
| Jule | A variant of the name Julia. |
| Julee | Jove's child. A feminine of Julian. |
| Juleen | Jove's child. A feminine of Julian. |
| Jules | Derived from Latin meaning youthful. |
| Julia | Feminine form of Julius: Downy. Hairy. Derived from the clan name of Roman dictator Gaius Julius Caesar.; One who is youthful; daughter of the sky; Soft-Haired, Youthful; 'Two Gentlemen of Verona' A lady of Verona, beloved of Proteus.; Youth.; Youthful; Y |
| JULIE | A classic name meaning youthful. |
| Julien | Derived from the Roman name Julius. |
| Julienne | Feminine form of Julian |
| Juliet | A name meaning youthful or downy. |
| Julietta | A diminutive form of the name Julia. |
| Juliette | A French name meaning youthful one. |
| Julita | A name meaning youthful or soft hair. |
| Jullien | A French variant of the name Julian. |
| Justeen | Just: upright. Feminine of Justin. |
| Justina | Just; Female Version of Justin; Fair; Righteous |