Cognomen ジーク (Zeke 
, Sieg 
, ジーク 
) , across the world, is quite a common last name. The cognomen ジーク is characteristic of Hungary, where it is quite a rare surname, Germany, and Luxembourg. In absolute terms, it most frequently occurs in Germany, the United States, and Hungary. Also, ジーク is the forename as well as the last name.