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Cognomen Petho (Petho
, Pethő
) , all around the world, is quite a common family name. The last name Petho is habitual in Hungary, where it is quite a common surname, Slovakia, where it is quite a rare surname, and Bosnia and Herzegovina. Not in comparison with a country's population, the name is most common in Hungary, Cameroon, and Slovakia. Much less frequently, Petho is the forename as well as the last name.