Family name ธนสงวนวงศ์ (ธนสงวนวงศ์ 
) , throughout the world, is a very rare cognomen. The surname ธนสงวนวงศ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| สง่า ธนสงวนวงศ์ Thai politician, TH (b. 1956) |
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