Cognomen Dyro (Dyro 
, Дыро 
, دايرو) , all around the world, is a rare surname. The cognomen Dyro is habitual in Belarus, where it is quite a rare surname, Norway, where it is a rare surname, and Poland. Not in comparison with a country's population, this name is the most popular in Eastern Europe, particularly Belarus, Poland, and Russia. Also, Dyro is the forename as well as the last name.