Surname Vaikul (Vaikul 
, Вайкуль 
) , in all the world, is a rare cognomen. The last name Vaikul is characteristic of Ukraine, where it is a very rare surname, Russia, and India, where it is an extremely rare surname. Also, Vaikul is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vaikul | United States, Thailand, India |
| Вайкуль | Russia, Ukraine |