| NAME | ORIGIN | MEANING |
| Isa | German | Strong willed. |
| Isabeau | French | Variant of Elizabeth. My God is bountiful;God of plenty. |
| Isabel | Spanish | concecrated to God |
| Isabela | Spanish | Variant of Elizabeth. My God is bountiful;God of plenty. |
| Isabella | Italian | Consecrated to God |
| Isabelle | French | Consecrated to God |
| Isabis | African | Something Beautiful |
| Isadora | Greek | gift of the moon |
| Isadore | Greek | Gift of Isis. |
| Isahel | Greek | Variant of Elizabeth: From the Hebrew Elisheba, meaning either oath of God, or God is satisfaction. |
| Isahella | Greek | Variant of Elizabeth: From the Hebrew Elisheba, meaning either oath of God, or God is satisfaction. |
| Isahelle | Greek | Variant of Elizabeth: From the Hebrew Elisheba, meaning either oath of God, or God is satisfaction. |
| Isana | German | Strong willed. |
| Isane | German | Strong willed. |
| Isanne | American | From ISABEL and ANNE |
| Isaura | Greek | soft air |
| Isaure | Greek | Gentle breeze. |
| Iseabal | Gaelic | Devoted to God. |
| Ishana | Hindu | rich |
| Ishani | Indian | Lady. |
| Ishbel | Scottish | Oath of God. |
| Ishtar | Persian | The Babylonian goddess of love. |
| Isi | Spanish | Consecrated to God |
| Isibeal | Hebrew | Devoted to God. |
| Isidora | Greek | Variant of Isadora: Gift of Isis (this name is Greek even though Isis is an Egyptian deity). |
| Isis | Egyptian | supreme Goddess |
| Isla | Celtic/Gaelic | Island |
| Isleen | Celtic/Gaelic | Form of EILEEN |
| Islene | Irish | Vision. |
| Isleta | Spanish | little Island |
