Cognomen 怀纳 (Wyner 
, 怀纳) , in the entire world, is a rare last name. The family name 怀纳 is habitual in Australia, where it is a rare surname, the United States, and New Zealand. Not in comparison with a country's population, it is commonest in the United States, Australia, and the United Kingdom. Much less frequently, 怀纳 is the forename as well as the last name.