Last name Чаиковскии (Чаиковскии 
) , around the world, is an extremely rare cognomen. The cognomen Чаиковскии is characteristic of Eastern Europe, particularly Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Чаиковскии | Russia |
Chaykovskyy, and Tchaikovskii