| Boy Name | Meaning |
| Iaan | Pride; Lord Shiva |
| Iachimo | Cymbeline' An Italian friend to Philario. |
| Iagan | the little fiery one |
| Iago | A name meaning a supplanter of men. |
| Iaichik | A name meaning a little beloved. |
| Iain | A name meaning God is very gracious. |
| Iakovos | Supplanter or one who follows. |
| Ian | Gift from God Form of John. |
| Iaokim | God will estahlish |
| IAPETUS | myth name (a Titan) |
| IASION | myth name (father of Plutus) |
| IASON | One who acts as a healer. |
| Iassen | A name meaning jasmine flower. |
| Iau | Welsh form of Zeus 'life'. |
| Iavor | Named after the maple tree. |
| Ibaad | believer in god |
| Ibeamaka | the agnates are splendid |
| Ibhan | Refers to the elephant god. |
| Ibhana | A name meaning to be radiant. |
| Ibhanan | Elephant faced; Lord Ganesh |
| Ibhanana | One with an elephant face. |
| Ibhar | Election; he that is chosen |
| Ibhya | Possessor of many attendants |
| Ibleam | Ancient people, people decreasing. |
| Ibneiah | The building of the Lord; the understanding of the Lord; son by adoption |
| Ibniah | The building of the Lord; the understanding of the Lord; son by adoption |
| Ibon | A name meaning a gift of God. |
| Ibraaheem | Variant of Ibrahim: The Biblical Abraham is the English language equivalent. A Prophet's name. |
| Ibraham | Father of a Multitude; A Prophets Name; Abraham; Earth |
| Ibraheem | A Prophets name; Variant of Ibrahim: The Biblical Abraham is the English language equivalent. A Prophets name. |
| Ibrahim | Form of Abraham, meaning father of a multitude; father of nations; Abraham; earth; Arabic form of Abraham; The Biblical Abraham is the English language equivalent. A Prophets name. |
| Ibtisam | Smile, cheerfulness |
| IBYCUS | myth name (a bard) |
| Ibzaad | One who is born of greatness. |
| Ibzan | Father of a target; father of coldness |
| ICARIUS | myth name (gave wine to the citizens of Athens who mistook it for poison and killed him) |
| ICARUS | myth name (son of Daedalus) |
| ICCAUHTLI | younger brother |
| Icchaka | Granting Desires |
| Icchit | Something that is long desired. |