| Name | Meaning | Origin |
|---|
| Ingeborg | Hero's daughter. | Danish Baby Names, Norse Baby Names, Swedish Baby Names, Teutonic Baby Names |
| Ingelise | Ing's grace. | Danish Baby Names |
| Inger | Hero's daughter. | Danish Baby Names, Scandinavian Baby Names, Swedish Baby Names, Teutonic Baby Names |
| Jakob | | Danish Baby Names, German Baby Names, Scandinavian Baby Names, Swedish Baby Names, American Baby Names |
| Jantzen | Hebrew John Jehovah has been gracious; has shown favor. | Danish Baby Names |
| Jen | | Danish Baby Names, Dutch Baby Names |
| Jens | gift from God'. | Danish Baby Names, Hebrew Baby Names, Swedish Baby Names |
| Jensine | God has blessed. | Danish Baby Names, Hebrew Baby Names |
| Joen | Gift from God. | Danish Baby Names, Hebrew Baby Names |
| Joren | | Danish Baby Names, Scandinavian Baby Names |
| Jorgen | Farmer. | Danish Baby Names |
| Joris | Farmer. | Danish Baby Names |
| Jory | | Danish Baby Names, Hebrew Baby Names, Scandinavian Baby Names, American Baby Names |
| Josef | | Czechoslovakian Baby Names, Danish Baby Names, German Baby Names, American Baby Names |
| Karan | Abbreviation of Katherine. Pure. | Danish Baby Names, English Baby Names, American Baby Names |
| Karen | Pure. | Danish Baby Names, English Baby Names, French Baby Names, Greek Baby Names, Latin Baby Names, Scandinavian Baby Names, Swedish Baby Names, American Baby Names |
| Karin | Pure. | Danish Baby Names, Greek Baby Names, Scandinavian Baby Names, Swedish Baby Names, American Baby Names |
| Karl | Manly. | Danish Baby Names, English Baby Names, French Baby Names, German Baby Names, Scandinavian Baby Names, Swedish Baby Names, American Baby Names |
| Karon | Abbreviation of Katherine. Pure. | Danish Baby Names, English Baby Names, American Baby Names |
| Karren | Abbreviation of Katherine. Pure. | Danish Baby Names, English Baby Names |