Last name Зейдлер (Seidler 
, Zejdler , Зейдлер 
) , globally, is a common family name. The family name Зейдлер is habitual in Germany, where it is quite a common surname, Austria, where it is quite a rare surname, and Czechia. Not in comparison with a country's population, it is commonest in Germany, the United States, and Brazil. Very seldom, Зейдлер is the forename as well as the last name.