Family name Nagakarthik (Nagakarthik 
) , around the globe, is an extremely rare last name. Much more frequently, Nagakarthik is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nagakarthik | United States, India |
Gunda, Baddula, Tumuganti, Bhimanapalli, and Venkatachalam