| Name | Meaning | Gender | Origin |
|---|
| Heba | gift from God | Unisex | |
| Hiawatha | he makes rivers | Male | From |
| Holmes | From the river island
| Male | English |
| Hudson | Hugh's son | Male | English |
| Hurley | after the skateboard brand | Male | Irish |
| Hydra | | Unisex | Hebrew |
| Idun | Viking mythology: the goddess of youth | Unisex | |
| Inari | from Japanese mythology, deity of fertility, rice, agriculture, foxes, industry, and worldly success | Unisex | |
| Irving | handsome, fair | Male | Scottish |
| Irwin | boar friend | Male | English |
| Isela | | Unisex | Hebrew |
| Ix Chel | Maya mythology: the goddess of the moon | Unisex | |
| Jack | after the Georgetown University mascot, Jack the Bulldog | Male | English |
| Jack | From John - God's gracious gift | Male | English |
| Jacques | supplanter | Male | |
| Jafar | little stream | Unisex | |
| Jaromir | Spring, Favor | Unisex | Czechoslovakian |
| Jarred | Descendant | Unisex | English |
| John | God is merciful | Male | Hebrew |
| 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 |
| Jordan | The descending river, to flow | Male | Hebrew |
| Jori | Descending
| Male | |
| Julep | Rosewater | Unisex | Persian |
| Jupiter | Zeus, Father | Male | Roman |
| Kai | Fire
| Male | Hawaiian |