Family name Sojko (Sojko 
, Сойко 
) , in all the world, is quite a rare last name. The last name Sojko is habitual in Belarus, where it is quite a rare surname, Ukraine, and Kyrgyzstan, where it is a rare surname. In absolute terms, it is the most numerous in Eastern Europe, particularly Ukraine, Belarus, and Russia. Much less frequently, Sojko is the forename as well as the last name.