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Cognomen Bayoumi (بيومي
, بيومى
, Bayoumi
) , all around the world, is a common last name. The cognomen Bayoumi is characteristic of Egypt, where it is quite a common surname, Sudan, where it is quite a rare surname, and Lebanon. Not in comparison with a country's population, it is commonest in Egypt, Sudan, and Saudi Arabia. Very seldom, Bayoumi is the forename as well as the last name.