Family name Борек (Borek 
, Борек 
) , throughout the world, is a common last name. The cognomen Борек is habitual in Poland, where it is quite a common surname, Czechia, where it is quite a rare surname, and Israel. In absolute terms, the name is most common in Poland, the United States, and Czechia. Likewise, Борек is the forename as well as the last name.