Family name Зига (Ziga 
, Zyga 
, Sieg 
) , all over the world, is a common cognomen. The family name Зига is characteristic of Slovenia, where it is quite a common surname, Bosnia and Herzegovina, and Slovakia, where it is quite a rare surname. In absolute terms, this name is the most popular in Germany, the United States, and Algeria. Likewise, Зига is the forename as well as the last name.