| Name | Meaning | Gender | Origin |
|---|
| James | From Jacob - To fill the place of another, supplanter. | Male | English |
| Jason | the Lord is salvation | Male | Hebrew |
| Jax | God has been gracious: has shown favor. Based on John or Jacques.
| Male | Modern |
| Jay | jaybird | Male | Latin |
| Jeff | pledge of peace | Male | English |
| Jeremy | God will uplift, appointed by God | Male | English |
| Jesse | wealthy | Male | Hebrew |
| Jessi | God Graciously Watches | Unisex | English |
| Jim | supplanter | Male | English |
| Jimmy | supplanter | Male | English |
| Joel | God is willing, Jehova is the Lord | Male | Hebrew |
| Joey | Abbreviation of Joseph.
| Male | |
| Joey | Abbreviation of Joseph.
| Male | |
| John | God is merciful | Male | Hebrew |
| Jordy | Flow, Descend | Unisex | English |
| Josh | God Saves | Unisex | English |
| Kai | Fire
| Male | Hawaiian |
| Ken | Male Barbie Doll. | Male | English |
| Logan | little hollow | Male | Scottish |
| Lyle | island | Male | Scottish |
| Malibu | Noisy Surf | Male | Native American Chumash |
| Mark | warlike | Male | Latin |
| Martin | Warlike person. | Male | Latin |
| Maui | | Unisex | |
| Michael | who is like God | Male | Hebrew |