| Kabilan | name of a saint |
| Kadhir | brilliant, ray of light |
| Kadhiravan | brilliant like sun |
| KadhirChelvan | Youthful and Brilliant |
| Kadhiresan | Brilliant Like Sun |
| Kadhiroli | brilliant like a ray of light |
| Kadhirvel | another name for god murugan |
| Kajish | Lord Vinayagar |
| Kalaiarasan | king of arts |
| KalaiCheran | skilled in the arts |
| KalaiDasan | patron of arts |
| KalaiKannan | one who likes arts |
| KalaiMani | gem of arts |
| KalaMegam | Name of a Poet |
| Kalanjiyam | repository of wisdom, wealth |
| Kalap | Moon |
| Kalappan | Pron. kaalappan |
| Kalipada | A Devotee of Goddess Kali |
| Kalith | Understood |
| Kalkin | Tenth Incarnation of God Vishnu |
| Kalmesh | Another Name of Lord Shiva |
| Kalpak | A Heavenly Tree |
| Kalvidasan | learned |
| KalviMani | learned |
| KalviNathan | learned |
| Kamarasan | unaffected by desires |
| Kamban | poet who composed kamba ramayanam |
| Kamboj | Conch Shell, Elephant |
| Kamlakant | Name of the Lord of Vishnu |
| Kamod | A Raga |
| Kamukh | Passionate |
| Kandan | god murugan |
| Kandappan | god murugan |
| KandaSami | god murugan |
| Kandavel | god murugan |
| Kandhan | God |
| Kanish | Caring |
| Kanj | Lord Brahma |
| Kannaiyan | playful, merrisome, god kannan |
| Kannan | god kannan, playful, merrisome |
| Kanthi | Lustre, Loveliness |
| Karikalan | The brave and Wise Chola king |
| KarMegam | Rain-bearing Cloud, Resourceful |
| Karmuhilan | rain-bearing cloud, resourceful |
| Karnam | Famed |
| Karnan | Mythological character - eldest of the Pandavas |
| Karnik | Judge |
| Karthik | god murugan |
| Karuppan | One Who is Dark (Black is Beautiful!) |
| KaruppaSami | name of a god |
| Karvannan | god kannan |
| Kashik | Balaji |
| Kasinathan | god sivan |
| Kathith | Well Recited |
| Katran | well-learned |
| Kautik | Joy |
| KaviArasan | Great Poet |
| Kaviko | great poet |
| Kavin | natural beauty |
| Kavish | King of Poets, Name of Lord Ganesh |
| Kavyansh | Intelligent and Born With Poetry |
| Kayaan | A Dynasty of King Kaikobad |
| Kayan | A Dynasty of King Kaikobad |
| Kayilai | abode of god sivan |
| KayilaiNathan | god sivan |
| Kayilan | perfection |
| Kedar | A Field, Name of Shiva |
| Keerat | Sing God's praise or glory |
| Keerthinath | Famous Person |
| KeerthiNathan | glorious |
| Keethan | Holy Song |
| Keshav | Lord Vishnu |
| Ketubh | Cloud |
| Kewal | Only |
| Khush | Happy |
| Khushal | Happy |
| Kinshuk | A Flower |
| Kodeeswaran | prosperous |
| Komagan | prince |
| Koman | king |
| KonguVel | kongu king |
| KonguVelKongu | King |
| KoodalNathan | god sivan |
| Koormadhiyan | Brilliant |
| Koothan | God Sivan, Skilled in the Arts |
| Kootharasan | skilled in the arts |
| Kovalan | Hero of Silappathikaram |
| Kovendan | king |
| KoyilKani | gift of god |
| KudiArasan | king |
| Kulandaisami | another name for god murugan |
| KulandhaiVel | another name for god murugan |
| Kularanjan | Star of Family |
| Kumanan | Name of a Charitable Prince |
| Kumaran | youthful, another name for god murugan |
| Kumarappan | youthful, another name for god murugan |
| KumaraSami | youthful |
| KumaraVel | Youthful, Another name for God Murugan |
| KumaraVendan | prince |
| Kuna | good character |
| Kundanlal | Golden |
| Kunran | God Murugan |
| Kunrudaiyaan | god murugan |
| Kurumuni | Another Name for Agathiyan |
| Kush | Son of Rama |
| Kutraalan | God Sivan, presiding deity of kutraalam |
| Kuyilan | sweet like kuyil (cuckoo) |
