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Cognomen Valva (Valva , Valve , Valvola ) , all over the world, is quite a common last name. The last name Valva is habitual in Finland, where it is quite a rare surname, Italy, where it is a rare surname, and India. In absolute terms, it most frequently occurs in India, Finland, and Brazil. Very seldom, Valva is the forename as well as the last name.