| Kathirin | A name meaning pure and innocent. |
| Kathirynn | A variant meaning pure of heart. |
| Kathleene | A name meaning pure and bright. |
| Kathleenn | A variant meaning pure beauty. |
| Kathleenne | A name meaning pure and holy. |
| Kathlleen | A variant meaning pure spirit. |
| Kathlyn | A name meaning pure and honest. |
| Kathreen | A variant meaning pure grace. |
| Kathren | A name meaning pure and simple. |
| Kathrene | A variant meaning pure or clear. |
| Kathrin | A German form meaning pure one. |
| Kathyrn | A variant meaning pure and clean. |
| Katianna | A name meaning pure and graceful. |
| Katif | An Arabic name meaning harvest. |
| Katiina | A Finnish name meaning pure one. |
| Katija | A Slavic name meaning pure soul. |
| Katikka | A name meaning pure and radiant. |
| Katinna | A variant meaning pure and holy. |
| Katjaana | A Finnish name meaning pure one. |
| Katka | A diminutive form of Katherine. |
| Katlan | A variant of the name Caitlin. |
| Katleen | A variant of the name Kathleen. |
| Katouska | A Czech diminutive of Katherine. |
| Katreea | A modern variant of Katherine. |
| Katreen | A form of katherine |
| Katreena | A variant spelling of Katrina. |
| Katriina | The Finnish form of Katherine. |
| Katrinna | A variant spelling of Katrina. |
| Katriona | The Gaelic form of Katherine. |
| Katryna | A variant spelling of Katrina. |
| Katsumi | Win over the sea |
| Katt | A diminutive form of Katherine. |
| Kattamah | Keeper of Secret |
| Kattia | Virginal purity |
| Kattina | A variant of the name Katrina. |
| Katuska | A Russian form of Katherine. |
| Katyayni | Another Name of Goddess Durga |
| Kauai | Island in Hawaii, also a name meaning 'food' or 'breadfruit' |
| Kaui | Youthful beauty |
| Kaunika | One who is beautiful and fair. |