Family name Deikova (Deikova 
, Дейкова 
) , all around the world, is a rare surname. The surname Deikova is characteristic of Eastern Europe, particularly Bulgaria, where it is a rare surname, Belarus, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Deikova | Russia, Finland |
| Дейкова | Kazakhstan, Bulgaria, Belarus, Russia, Ukraine |