Cognomen สุทธิวรรณา (Sutthiwanna 
, สุทธิวรรณา , Suttiwanna ) , in the entire world, is a rare last name. The last name สุทธิวรรณา is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, สุทธิวรรณา is the forename as well as the last name.