| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| IOKUA | - | Hawaiian | ||
| IOLA | - | English | ||
| IOLANA | - | Hawaiian | ||
| IOLANDA | - | Italian, Portuguese, Romanian | ||
| IOLANTHE | ie-ə-LAN-thee (English) | Various | ||
| IOLE | - | Greek Mythology | ||
| IOLO | - | Welsh | ||
| IOLYN | - | Welsh | ||
| IOMHAR | - | Scottish | ||
| ION (1) | YON (Romanian) | Basque, Romanian | ||
| ION (2) | - | Greek Mythology | ||
| Iona | [ai'əunə] | |||
| IONA (1) | ie-ON-ə (English) | English, Scottish | ||
| IONA (2) | - | Russian, Georgian, Biblical Latin | ||
| IONAS | - | Biblical Greek, Biblical Latin |