Last name Trankova (Trankova 
, Транкова 
) , in the world, is a rare family name. The surname Trankova is habitual in Bulgaria, where it is quite a rare surname, Russia, where it is a very rare surname, and Greece. Measured by absolute frequency, it is the most numerous in Eastern Europe, particularly Bulgaria, Russia, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Trankova | Russia, Israel, Bulgaria, Greece, Brazil |
| Транкова | Kazakhstan, Russia, Ukraine, Bulgaria |