Surname Kushanthi (Kushanthi 
) , all over the world, is an extremely rare cognomen. Much more frequently, Kushanthi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kushanthi | United States, Sri Lanka |
Bandara, Hasinika, Vihangana, Priyangika, Samaratunge, and Liyanarachchi