Cognomen Тонна (Tonna 
, Tonne 
, Тонна 
) , throughout the world, is quite a common last name. The last name Тонна is habitual in Malta, where it is a common surname, Uruguay, where it is quite a rare surname, and Estonia. In absolute terms, it is commonest in India, Malta, and the United States. Much less frequently, Тонна is the forename as well as the last name.