| 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 | |
| Katica | | - | Croatian, Slovene, Hungarian | |
| 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 | |