Cognomen Bizna (Bizna 
) , throughout the world, is a rare family name. The cognomen Bizna is habitual in Latvia, where it is a rare surname, Romania, and Israel, where it is a very rare surname. In absolute terms, it is commonest in Romania, Latvia, and Italy. Very seldom, Bizna is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bizna | Italy, India, Latvia, United Kingdom, Romania |
| abba b. bizna Jewish scholar |
|