| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Kirby | KUR-bee | English | ||
| Kirill | kee-REEL | Russian | ||
| Kirk | KURK | English | ||
| Kirsi | KEER-see | Finnish | ||
| Kirsikka | KEER-seek-kah | Finnish | ||
| Kirsteen | - | Scottish | ||
| Kirsten | KEER-sten (Danish, Norwegian), KUR-stən (English) | Danish, Norwegian, English | ||
| Kirsti | KEER-stee | Finnish | ||
| Kirstie | - | Scottish | ||
| Kirstin | - | Scottish | ||
| Kirstine | - | Danish | ||
| Kirsty | - | Scottish | ||
| Kismet | - | Turkish | ||
| KistiÑE | - | Basque | ||
| Kit | KIT | English |