Last name Binjak (Bis 
, Binjak 
) , across the world, is a common family name. The cognomen Binjak is habitual in Suriname, where it is quite a common surname, Czechia, where it is quite a rare surname, and Poland. Not in comparison with a country's population, it is commonest in Poland, Myanmar, and Spain. Also, Binjak is the forename as well as the last name.