| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Kathlyn | KATH-lin | English | ||
| Kathrine | - | Danish, Norwegian | ||
| Kathryn | KATH-rin | English | ||
| Kathy | KATH-ee | English | ||
| Kati | KAH-tee (Finnish) | Finnish, Estonian, Hungarian | ||
| Katia | KAH-tyah | Russian | ||
| Katica | - | Croatian, Slovene, Hungarian | ||
| Katida | kah-TEE-dah | Esperanto | ||
| Katie | KAY-tee | English | ||
| Katja | KAHT-yah (German, Dutch) | German, Swedish, Norwegian, Danish, Dutch, Slovene | ||
| Katka | KAHT-kah | Czech, Slovak | ||
| Katlego | - | Southern African, Tswana | ||
| Katlyn | - | English (Modern) | ||
| Kato | - | Eastern African, Ganda | ||
| Katri | KAHT-ree | Finnish |