| Irinei | | - | Russian | |
| Iriney | | - | Russian | |
| Irinushka | | - | Russian | |
| Iris | | IE-ris (English), EE-ris (German, Dutch), EE-rees (Finnish, Spanish) | Greek Mythology, English, German, Dutch, Swedish, Norwegian, Danish, Finnish, French, Spanish | |
| Irma | | EER-mah (German, Finnish), UR-mə (English) | German, English, Dutch, Finnish, Spanish, Italian, Georgian, Lithuanian, Hungarian (Rare), Ancient G | |
| Irmentrud | | EER-men-troot | German (Archaic) | |
| Irmgard | | EERM-gahrt | German | |
| Irmhild | | EERM-hilt | German | |
| Irmingard | | EER-min-gahrt | German | |
| Irmtraud | | EERM-trowt | German | |
| Irmtrud | | EERM-troot | German | |
| Irmuska | | EER-moosh-kaw | Hungarian (Rare) | |
| Iryna | | ee-RI-nah | Ukrainian | |
| Isa (2) | | EE-sah: (Dutch) | German, Dutch, Italian, Spanish | |
| Isa (3) | | - | Frisian, Ancient Germanic | |