| Kaelith | A slender and graceful being. |
| Kagome | A woven pattern or basket. |
| Kaho | A child of the summer season. |
| Kaileena | A bright and shining spirit. |
| Kalmia | Named after the mountain laurel. |
| Kanakavati | A name meaning golden beauty. |
| Kanako | Child of the golden fragrance |
| Karsi | A person who is very distant |
| Kashya | One who is full of brilliance |
| Kasturba | A woman of musklike scent |
| Katniss | An aquatic flowering plant |
| Kaua | A name meaning wild or fierce |
| Kavachi | One who wears protective armor |
| Kavachini | One who wears protective armor. |
| Kehlani | A name meaning sea or sky heaven. |
| Kemet | Ancient name for the land of Egypt. |
| Kemi | A name meaning too much to love. |
| Ketsu | A Japanese name meaning pure blood. |
| Khagapriya | One who is fond of the open sky. |
| Khagashree | A name meaning beauty of birds. |
| Khageshi | The lord of all flying creatures. |
| Khageshvari | The goddess of the vast heavens. |
| Khagvi | A bird that flies in the sky. |
| Khnem | To join or unite with someone. |
| Kida | A child or a young little person. |
| Kimmora | A name of American origin meaning ruler. |
| Kiosa | A name meaning a beautiful, bright light. |
| Kiranbala | A name meaning a small ray of light. |
| Kirei | A Japanese name meaning beautiful one. |
| Kirta | A name meaning one who is celebrated. |
| Kishwer | A Persian name meaning a country or land. |
| Kiyomi | Pure and beautiful person |
| Kodia | A variant of the name Cody |
| Koharu | Late summer or small spring |
| Kokoro | Heart, mind, and spirit |
| Konarka | Derived from the sun god Surya. |
| Kri | A short form of the name Kristina. |
| Kshemi | One who is peaceful and secure. |
| Kuari | A name meaning a young maiden. |
| Kuwanlelengtakw | A bright morning star. |