Last name 索科 (索科 
, Sokk 
, Soćko 
) , around the globe, is a rare family name. The last name 索科 is characteristic of Estonia, where it is quite a common surname, Poland, where it is a rare surname, and Finland, where it is a very rare surname. Not in comparison with a country's population, the name is most common in Estonia, Poland, and Australia. Very seldom, 索科 is the forename as well as the last name.