Cognomen สายสุพรรณ (สายสุพรรณ 
, Saisupun , Saisuphan ) , in the world, is a rare surname. The family name สายสุพรรณ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, สายสุพรรณ is the forename as well as the last name.
| เด่นชัย สายสุพรรณ TH (b. 1964) |
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