Cognomen Bojena (Божана 
, Божена 
, Bojena 
) , in all the world, is quite a rare last name. The family name Bojena is characteristic of Eastern Europe, particularly Bulgaria, where it is quite a common surname, Belarus, where it is a very rare surname, and Ukraine, where it is an extremely rare surname. In absolute terms, it is the most numerous in Eastern Europe, particularly Bulgaria, Belarus, and Russia. More frequently, Bojena is the forename as well as the last name.