Family name สุทธิสา (สุทธิสา 
, Suttisa , Sutthisa 
) , in the entire world, is a rare surname. The surname สุทธิสา is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. More prevalently, สุทธิสา is the forename as well as the last name.
| รังสฤทธิ์ สุทธิสา TH (b. 1979) |
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