Family name 西贝尔 (Siebel 
, 西贝尔 
) , in all the world, is quite a rare last name. The last name 西贝尔 is habitual in Germany, where it is quite a rare surname, Netherlands, where it is a rare surname, and Australia. In absolute terms, it most frequently occurs in Germany, the United States, and Brazil. Very seldom, 西贝尔 is the forename as well as the last name.