Cognomen Бірута (Biruta 
, Бірута 
) , throughout the world, is a rare last name. The last name Бірута is habitual in Poland, where it is quite a rare surname, Rwanda, where it is a rare surname, and Lithuania. In absolute terms, the name is most common in Poland, Rwanda, and Tanzania. Also, Бірута is the forename as well as the last name.