Surname Rannik (Rannik 
) , in the entire world, is a rare last name. The cognomen Rannik is characteristic of Estonia, where it is quite a common surname, Finland, where it is a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Rannik is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rannik | United Kingdom, Estonia, Finland, United States, India |
| üllar rannik Estonian physicist, EE (b. 1968) |
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| kaire rannik Estonian artist, EE (b. 1971) |
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