Surname Shainak (Shainak 
) , across the world, is an extremely rare last name. The last name Shainak is characteristic of Israel, where it is a very rare surname, and India, where it is an extremely rare surname. More prevalently, Shainak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Shainak | India, Israel |