Surname Schetsko (Schetsko 
, Щецко 
) , all over the world, is a very rare cognomen. The family name Schetsko is habitual in Russia, where it is a very rare surname, Argentina, where it is an extremely rare surname, and Ukraine. Measured by absolute frequency, it is commonest in Russia, Brazil, and Argentina.
| VARIANT | COUNTRY |
|---|---|
| Schetsko | Argentina, Brazil |
| Щецко | Russia, Ukraine |