| Karlmann | | - | German (Archaic) | |
| Karola | | KAW-ro-law (Hungarian), kah-RO-lah (German) | Hungarian, German | |
| Karolina | | kah-raw-LEE-nah (Polish), kah-ro-LEE-nah (Swedish, German) | Polish, Swedish, Norwegian, Danish, Hungarian, Slovene, Croatian, Macedonian, Lithuanian, German | |
| Karoline | | kah-ro-LEE-nə (German) | German, Danish, Norwegian | |
| Karsten | | KAHR-sten (Low German) | Low German, Danish, Norwegian | |
| Kasimir | | KAH-zee-meer | German | |
| Kasimira | | kah-zee-MEE-rah | German (Archaic) | |
| Kaspar | | - | German | |
| Katarina | | kah-tah-REE-nah (German, Swedish) | German, Swedish, Norwegian, Danish, Hungarian, Croatian, Serbian, Slovene | |
| Katarine | | kah-tah-REE-nə | German | |
| Katharina | | kah-tah-REE-nah (German, Swedish) | German, Swedish, Norwegian, Danish | |
| Katharine | | KATH-ə-rin (English), KATH-rin (English), kah-tah-REE-nə (German) | English, German | |
| Katherina | | kath-ə-REE-nə (English), kə-THREE-nə (English), kah-te-REE-nah (German) | English (Rare), German | |
| Kathrin | | KAHT-reen | German | |
| Katinka | | kah-TING-kah (German) | German, Dutch | |