Cognomen Зайфрид (Seyfried 
, Зайфрид 
) , in the world, is quite a rare last name. The cognomen Зайфрид is characteristic of Western Europe, particularly Austria, where it is quite a rare surname, Germany, and France, where it is a rare surname. In absolute terms, it most frequently occurs in Germany, the United States, and Austria. Very seldom, Зайфрид is the forename as well as the last name.