| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Katrine | kaht-REE-ne (Danish) | Danish, Norwegian | ||
| Katriona | kə-TREE-nə, kat-ree-O-nə | English (Rare) | ||
| Katsiaryna | - | Belarusian | ||
| Katsu | kah-tsoo | Japanese | ||
| Katsuo | kah-tsoo-o | Japanese | ||
| Katsuro | kah-tsoo-ṙo: | Japanese | ||
| Katsurou | kah-tsoo-ṙo: | Japanese | ||
| Kattalin | - | Basque | ||
| Katy | KAY-tee | English | ||
| Katya | KAH-tyah | Russian | ||
| Kauko | KOW-ko | Finnish | ||
| Kaur | - | Indian (Sikh) | ||
| Kausalya | - | Hinduism | ||
| Kaveh | - | Persian, Persian Mythology | ||
| Kay (1) | KAY | English |