Surname Тсику (Tsiku 
, Тсику , Tsyku 
) , globally, is a very rare family name. The family name Тсику is habitual in Estonia, where it is a rare surname, Russia, where it is a very rare surname, and South Africa. Very seldom, Тсику is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tsiku | Russia, South Africa, Nigeria, United States, India |
| Тсику | Russia |
| Tsyku | Russia, Estonia |