Family name Byros (Byros 
) , all around the world, is a rare cognomen. The family name Byros is habitual in Greece, where it is quite a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Byros | United States, Greece |
| vasili byros Greek-American music theorist, musicologist and pianist |
|