Family name Koplus (Koplus 
) , in the world, is a very rare surname. The family name Koplus is characteristic of Estonia, where it is quite a rare surname, Malaysia, where it is an extremely rare surname, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Koplus | Estonia, Malaysia, United States |
| oskar koplus Estonian politician (1909-1975), EE (b. 1909) |
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| milvi koplus Estonian physician, EE (b. 1935) |
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| koplus, vladimir vladimirovich |
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