| Name | Meaning | Gender | Origin |
|---|
| Jay | jaybird | Male | Latin |
| Jean | God is gracious | Male | |
| Jeff | pledge of peace | Male | English |
| Jeffrey | pledge of peace | Male | Spelling |
| Jen | White, Fair | Unisex | English |
| Jeremy | God will uplift, appointed by God | Male | English |
| Jerry | after Jerry Garcia, The Grateful Dead | Male | English |
| Jesper | Treasure | Unisex | Danish |
| Jesse | wealthy | Male | Hebrew |
| Jim | supplanter | Male | English |
| Jimmy | supplanter | Male | English |
| Joe | Abbreviation of Joseph.
| Male | English |
| Joe | Abbreviation of Joseph.
| 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 |
| Johnny | the Lord is gracious | Male | English |
| 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 |
| Jordan | The descending river, to flow | Male | Hebrew |
| Jorge | Spanish form of George farmer
| Male | Spanish |
| Joseph | God will increase | Male | Hebrew |