Last name กิลสดอร์ฟ (กิลสดอร์ฟ 
) , in all the world, is an extremely rare cognomen. The cognomen กิลสดอร์ฟ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| กิลสดอร์ฟ | Thailand |