| Hillarie | A happy and merry person |
| Hillory | A cheerful, happy spirit |
| Hilly | Greatly Praised |
| Hiltrud | Battle, Power, Strength, Fight |
| Hisami | A beauty that lasts forever. |
| Hoge | One who is Confident |
| Holey | A name meaning holy or sacred. |
| Holie | A name meaning holy or sacred. |
| Holleigh | A meadow of holly tree shrubs. |
| Holsy | An Easygoing Woman |
| Honee | Sweet like honey or a nectar. |
| Honest | One who is truthful and sincere. |
| Honesty | Refers to the quality of truth. |
| Huhuseca Ska | Hawaiian name meaning 'to be loved' or 'beloved one' |
| Hydie | Of a Noble Kind, Noble, Honourable |
| Hyla | A name meaning forest or wood. |
| Hyzal | Reddish Brown, Energetic |
| Ieva | The Latvian form of Eve, meaning life. |
| Ifigeneia | Born of a noble heritage. |
| Ifigenia | Of Royal Birth, Born to Strength |
| Ilima | A Flower, Flower of Oahu Island |
| Illana | A name meaning tree or oak tree. |
| Ilva | Derived from the holm oak tree. |
| Ilyana | Sun Ray, Softness, Leniency |
| Inana | Supreme Goddess |
| Indica | Relating to or originating from India. |
| Ineesha | A Sparkling Woman |
| Ineysha | Continuous, The Sparkling Lady |
| Insa | A name meaning a person of high status. |
| Integrity | Of Good Character |
| Irek | A Polish name meaning peaceful. |
| Iret | One who is Serene |
| Isavella | A beautiful gift from heaven. |
| Isela | Devoted to God, River in Scotland |
| Isidra | Gift of the Egyptian goddess. |
| Itzayana | A Moon Goddess, Protected |
| Itzie | A diminutive form of Itziar. |
| Iuan | Blowing Backward as the Wind Blows |
| Iuana | Blowing Backward as the Wind Blows |
| Iuann | Blowing Backward as the Wind Blows |