| Name | Name in Tamil |
|---|---|
| Karthik | |
| Karthik kumar | |
| Karthikan | |
| Karthikayan | |
| Karthikeya | |
| Karthikeyan | காத்திகேயன் |
| Karthikga | |
| Karthikrooshan | |
| Karthiraj | |
| Karthiyan | |
| Karthy | |
| Kartik | |
| Kartikeya | |
| Kartikeyan | |
| Kartikeyn | |
| Karujan | |
| Karumuttu | |
| Karuna | கர்ணா |
| Karunagaran | |
| Karunainathan | கருணைநாதன் |