Family name Gonzalez-Sierra (Gonzalez-Sierra 
) , all over the world, is an extremely rare last name. The surname Gonzalez-Sierra is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Much less frequently, Gonzalez-Sierra is the forename as well as the last name. Parts of the name also exists independently as a last name Gonzalez, and a last name Sierra.