| Name | Meaning | Gender | Origin |
|---|
| Johnson | Son of John
| Male | English |
| Joie | Word name | Female | |
| Jolie | French for pretty | Female | |
| Jon | God is gracious; or gift of Jehovah | Male | English |
| Jonah | Dove. In the bible Jonah was on board a ship God caused to sink: sailors traditionally use the name Jonah to personify someone who brings bad luck.
| Male | Hebrew |
| Jonas | Dove. Variant of Hebrew Jonah.
| Male | Greek |
| Jonathan | God gives | Male | Hebrew |
| Jones | God Will Bring | Male | Welsh |
| Jonie | God Is Gracious | Unisex | English |
| Jori | Descending
| Male | |
| Jory | God will uplift
| Male | English |
| Joseph | God will increase | Male | Hebrew |
| Joshua | God is salvation
| Male | Hebrew |
| Josie | From Josephine - She shall add. | Female | English |
| Jossie | | Unisex | Hebrew |
| Jovan | Jove-like, majestic | Male | Slavic |
| Joy | From Joyce - Gay and joyful | Female | Word |
| Joyce | after James Augustine Aloysius Joyce, Irish writer and poet | Female | Latin |
| Jubilee | ram's horn | Female | Hebrew |
| Judd | praised | Male | Medieval |
| Judy | Hebrew, He will be praised, woman from Judea | Female | English |
| Jules | youthful; soft, downy | Male | |
| Julian | Jove's child. Form of Julius and family clan name of several powerful Roman emperors. Biblical Roman centurion Julius saved Paul's life during a hazardous voyage
| Male | English |
| Juliet | youthful | Female | English |
| Julio | Latin, youthful, downy-bearded | Male | Spanish |