Family name Tsetsko (Tsetsko 
, Цецко 
) , in all the world, is a very rare last name. The family name Tsetsko is characteristic of Estonia, where it is a rare surname, Belarus, where it is a very rare surname, and Greece. Not in comparison with a country's population, it is commonest in Russia, Belarus, and Greece. Also, Tsetsko is the forename as well as the last name.