| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Katie | KAY-tee | English | ||
| Katja | KAHT-yah (German, Dutch) | German, Swedish, Norwegian, Danish, Dutch, Slovene | ||
| Katlyn | - | English (Modern) | ||
| Katrina | kə-TREE-nə (English), kaht-REE-nah (Dutch) | English, German, Swedish, Dutch | ||
| Katriona | kə-TREE-nə, kat-ree-O-nə | English (Rare) | ||
| Katy | KAY-tee | English | ||
| Kay (1) | KAY | English | ||
| Kaycee | KAY-see | English (Modern) | ||
| Kayden | KAY-dən | English (Modern) | ||
| Kaydence | KAY-dənts | English (Modern) | ||
| Kaye | KAY | English | ||
| Kayla (1) | KAY-lə | English | ||
| Kayleah | KAY-lee | English (Rare) | ||
| Kaylee | KAY-lee | English (Modern) | ||
| Kayleen | KAY-leen | English (Rare) |