Family name Koonsed (Koonsed 
) , around the globe, is a very rare last name. The last name Koonsed is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Koonsed | Thailand |
Tawin, Prapai, Suwakhon, Patcharin, and Chalermpol