Family name คงศิริถาวร (คงศิริถาวร 
) , worldwide, is a very rare surname. The cognomen คงศิริถาวร is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| คงศิริถาวร | Thailand |
| พิชัย คงศิริถาวร badminton player, TH (b. 1950) |
|