Surname Nishika (Nishika 
) , all around the world, is a rare last name. The family name Nishika is habitual in Japan, where it is a very rare surname, India, and Israel. More frequently, Nishika is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nishika | Japan, India, Nepal, United States, Sri Lanka |