In the world, Sienko (Sienko , Сиенко , Sieńko ) is an extremely rare gender-neutral first name. Likewise, Sienko is the last name as well as the forename.
Translations, transliterations and names similar to the name
Sienko
VARIANT
COUNTRY
Sienko
Poland, France, United Kingdom, United States, Germany
, Сиенко 
, Sieńko