| NAME | ORIGIN | MEANING |
| Iria | English | From the name IRIS |
| Iris | Greek | rainbow, a play of colours |
| Irisa | English | Iris |
| Isabel | Spanish | concecrated to God |
| Isabella | Italian | Consecrated to God |
| Isabelle | French | Consecrated to God |
| Isabis | African | Something Beautiful |
| Isadora | Greek | gift of the moon |
| Isanne | American | From ISABEL and ANNE |
| Isaura | Greek | soft air |
| Ishana | Hindu | rich |
| Isi | Spanish | Consecrated to God |
| Isis | Egyptian | supreme Goddess |
| Isla | Celtic/Gaelic | Island |
| Isleen | Celtic/Gaelic | Form of EILEEN |
| Isleta | Spanish | little Island |
| Ismaela | Hebrew | God Listens |
| Isoke | African | satisfying gift |
| Isolde | Celtic | beautiful |
| Israt | Arabic | affection |
| Istas | Native American | snow |
| Ita | Italian | Thirsty |
| Italia | Italian | Italy |
| Iva | Hebrew, Japanese | God's great gift, yew tree |
| Ivana | Hebrew | God is gracious |
| Ivi | English | Ivy Plant |
| Ivie | English | From the name IVY |
| Ivory | Latin | White as Elephant Tusks |
| Ivria | Hebrew | From the other side of the River |
| Ivy | Greek | ivy plant, a wine |