| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 701 | Josias | Spanish | Form of Josiah 'Jehovah has healed.'. | M | |
| 702 | JosT | Spanish | The Spanish form of Joseph: May Jehovah add. Addition (to the family). | M | |
| 703 | Josue | Spanish | Spanish form of Joshua 'He shall add'. | M | |
| 704 | Josune | Spanish | Named for Jesus. | F | |
| 705 | Jovana | Spanish | Feminine of Jovian derived from Jove who was the Roman mythological Jupiter and father of the sky. | F | |
| 706 | Jovanna | Spanish | Feminine of Jovian derived from Jove who was the Roman mythological Jupiter and father of the sky. | F | |
| 707 | Jovena | Spanish | Feminine of Jovian derived from Jove who was the Roman mythological Jupiter and father of the sky. | F | |
| 708 | Jovina | Spanish | Feminine of Jovian derived from Jove who was the Roman mythological Jupiter and father of the sky. | F | |
| 709 | Jovita | Spanish | Feminine of Jovian derived from Jove who was the Roman mythological Jupiter and father of the sky. | F | |
| 710 | Juan | Spanish | The Spanish form of John: God is gracious. Often used in combination with other names. | M | |
| 711 | Juana | Spanish | God's gift. | F | |
| 712 | Juanetta | Spanish | Diminutive form of Juana derived from John. | F | |
| 713 | Juanisha | Spanish | Diminutive form of Juana derived from John. | F | |
| 714 | Juanita | Spanish | Feminine form of Juan: The Spanish form of John: God is gracious. God's gift. | F | |
| 715 | Juanito | Spanish | Spanish form of John 'gracious gift from God'. | M | |
| 716 | Julian | Spanish | Youth. | M | |
| 717 | Juliano | Spanish | Jove's child. | M | |
| 718 | Julieta | Spanish | Variant of Julia, from Julian. Jove's child. | F | |
| 719 | Julina | Spanish | Jove's child. A feminine of Julian. | F | |
| 720 | Julio | Spanish | Youth. | M | |