Cognomen Karthick (Karthick 
) , globally, is quite a rare last name. The surname Karthick is characteristic of Western Asia, particularly United Arab Emirates, where it is quite a rare surname, Qatar, and Oman. Not in comparison with a country's population, it is commonest in India, United Arab Emirates, and Saudi Arabia. More prevalently, Karthick is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Karthick | Saudi Arabia, United Arab Emirates, Sri Lanka, United States, India |
| muthupandi karthick researcher |
|
|
| kannimuthu karthick researcher (ORCID 0000-0003-2689-0657) |
|
|
| chennakesavan karthick researcher (ORCID 0000-0003-3538-2646) |
|
|
| t. karthick Ph.D. 2010 |
|
|
| sanjeev karthick Indian Tamil films actor (b. 1988) |
|
|
| shree karthick Indian film director (b. 1988) |
|
|
| vignesh karthick actor, IN (b. 1988) |
|