Cognomen Chaikivskyi (Chaikivskyi 
) , across the world, is a very rare family name. The surname Chaikivskyi is habitual in Hungary, where it is a rare surname, Ukraine, where it is an extremely rare surname, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Chaikivskyi | United States, Hungary, Ukraine |
Ceaikovski, Chaikovski, Chaikovsky, Chaikovskyi, Chaykivsky, Chaykovsky, Czajkowscy, Czajkowski, Tchaikovsky, Tchaïkovski, Tschaikowski, Čajkovski, Чайковские, Чайковский, Чайковський, Чайківський, and チャイコフスキー