| IDRISSA | Senegal and Gambia name meaning "immortal." |
| Idum | A name meaning red or earthy soil. |
| Idumea | Red, earthy, bloody. |
| Idumpan | A name meaning a rhythmic drum. |
| Idwal | the lord of the wall or rampart |
| Idylla | A name meaning a peaceful scene. |
| Iehosaamud | Deen, sword of god |
| Iemkje | A Frisian name meaning little bee. |
| Iesa | A prophets name |
| Iestin | A Welsh form of the name Justin. |
| Iestyn | A Welsh name meaning just or fair. |
| Ieuan | god is gracious |
| IFOR | Of uncertain origin, possibly meaning "lord."Often associated with Norse/Scandinavian Ivor, "bowman". IOAN, IWAN |
| Ifran | A place of peace and beauty. |
| Ifraz | Height, Altitude, Elevation |
| Iftikhaar | Pride, honor, and distinction. |
| Iftikhar | Variant of Iftikhaar: Honor. Glory. |
| IftikharusSadat | Pride of the Chiefs |
| Igal | Redeemed, defiled. |
| Igasho | One who brings great joy. |
| Igdaliah | The greatness of the Lord |
| Ige | Born during a time of need. |
| Igeal | A redeemer, redeemed, defiled. |
| Iggi | A name meaning small or tiny. |
| Iggy | Derived from iggi |
| Ighneachan | Variant of Eigneachan: Strong man. |
| Iglika | A delicate wild primrose. |
| Igme | One who is wise and learned. |
| Ignac | Born of fire and passion. |
| Ignace | Derived from the Latin for fiery. |
| Ignacio | Spanish name meaning fiery one. |
| Ignacy | Ignacy is a Polish name derived from Ignatius, meaning 'fiery one' or 'dedicated to fire'. |
| Ignado | A rare name meaning fiery spirit. |
| Ignatia | Feminine form meaning fiery one. |
| IGNATIUS | Latin name meaning fiery one. |
| Ignazio | Italian name meaning fiery one. |
| Ignesh | A name meaning lord of fire. |
| Igon | A name meaning fiery or ardent. |
| Igor | Warrior of peace. Ings warrior |
| IGORR | A variant of Igor, meaning warrior. |