| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Katherine | KATH-ə-rin, KATH-rin | English | ||
| Katheryn | KATH-ə-rin, KATH-rin | English | ||
| Katheryne | KATH-ə-rin, KATH-rin | English (Rare) | ||
| Kathi | KATH-ee | English | ||
| Kathie | KATH-ee | English | ||
| Kathleen | kath-LEEN | Irish, English | ||
| Kathlyn | KATH-lin | English | ||
| Kathryn | KATH-rin | English | ||
| Kathy | KATH-ee | English | ||
| Katie | KAY-tee | English | ||
| 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 |