Family name Реер (Reyer 
, Reer 
, Реер 
) , globally, is quite a rare cognomen. The family name Реер is characteristic of Western Europe, particularly Austria, where it is quite a rare surname, Germany, and Netherlands, where it is a rare surname. In absolute terms, it is the most numerous in Germany, the United States, and Austria. Very seldom, Реер is the forename as well as the last name.