| Name | Meaning | Gender | Origin |
| Iddawg | Legendary son of Mynyo. | M | Welsh |
| Iddig | Legendary son of Anarawd. | M | Welsh |
| Iddo | His band; power; praise | M | Biblical |
| Ide | Thirst | F | Celtic/Gaelic |
| Ideeq | Variant of Idiq: The Biblical Isaac is the English language equivalent. | M | Muslim |
| Idelisa | Bountiful. | F | Celtic |
| Idella | Bountiful. | F | Welsh |
| Idelle | Bountiful. | F | Celtic |
| Iden | Prosperous | E | English |
| Idetta | Hard working. | F | German |
| Idette | Hard working. | F | German |
| Idi | born during the Idd festival | M | Swahili |
| Idiq | The Biblical Isaac is the English language equivalent. | M | Muslim |
| Idla | Battle. | F | English |
| Idms | The Biblical Enoch is the English language equivalent. | M | Muslim |
| Idna | Active. | F | German |
| Idogbe | Brother of twins. | M | Egyptian |
| Idoia | Reference to the Virgin Mary. | F | Spanish |
| Idola | Vision | F | Greek |
| Idomeneus | A king of Crete. | M | Greek |
| Idona | Active in love. | F | Norse |
| Idone | Hard working. | F | Teutonic |
| Idonea | Suitable. | F | Latin |
| Idra | Fig tree | F | Hebrew |
| Idrees | Variant of Idris: A Prophet's name. | M | Muslim |
| Idris | Fiery | E | Hindi |
| Idumea | Red/ earthy/ bloody. | M | Biblical |
| Idun | Active in love. | F | Norse |
| Iduna | Active in love. | F | Norse |
| Idunn | Active in love. | F | Norse |
| Idurre | Reference to the Virgin Mary. | F | Spanish |
| Ierna | From Ireland. | F | Latin |
| Ierne | From Ireland. | F | Irish |
| Iesha | a form of Aisha | F | American |
| Ifama | All is Well | F | African |
| Ife | Wide/ Love | M | African |
| Iffat | Variant of 'Iffat: Virtue. Chastity. | M | Muslim |
| Ifig | Ivy. | F | English |
| Ifor | Variant of Ivor: Lord. A variant of the name Ifor. Famous Bearer: Composer Ivor Novello (1893-1951). | M | Norse |
| Iftikhaar | Honor. Glory. | M | Muslim |
| Iftikhar | Variant of Iftikhaar: Honor. Glory. | M | Muslim |
| Igal | Redeemed/ defiled. | M | Biblical |
| Igantia | Fiery. | F | Latin |
| Igasho | Wanders. | M | Native American |
| Igdaliah | The greatness of the Lord | M | Biblical |
| Ige | Born by Breech | M | African |
| Igeal | A redeemer/ redeemed/ defiled. | M | Biblical |
| Igerne | Mother of Arthur. | F | Arthurian Legend |
| Iggi | Only Son | M | African |
| Iggy | From the name IGGI | M | African |