| Kallistos | | - | Ancient Greek | |
| Kallistrate | | - | Ancient Greek | |
| Kaloyan | | - | Bulgarian | |
| Kalpana | | - | Indian, Hindi, Marathi, Tamil, Kannada, Telugu, Nepali | |
| Kalyan | | - | Indian, Hindi, Bengali, Telugu | |
| Kalyana | | - | Indian, Telugu | |
| Kalyani | | - | Hinduism, Indian, Telugu, Marathi, Hindi | |
| Kalyna | | kah-LI-nah | Ukrainian (Rare) | |
| Kamakshi | | - | Hinduism, Indian, Hindi | |
| Kamal (2) | | - | Indian, Hindi, Marathi, Bengali, Gujarati, Punjabi, Tamil, Telugu, Kannada, Malayalam, Nepali | |
| Kamala | | - | Hinduism, Tamil, Indian, Kannada, Telugu, Hindi, Nepali | |
| Kamalani | | - | Hawaiian | |
| Kamaria | | - | Eastern African, Swahili | |
| Kambiz | | - | Persian | |
| Kambujiya | | - | Ancient Persian | |