Family name กาญจนแก้ว (กาญจนแก้ว, Kanjanakeaw 
, Karnjanakaew ) , around the world, is a rare surname. The surname กาญจนแก้ว is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kanchanakaw, Karnjanakaew, Kanjanakeaw | Thailand |
Kanajanakeaw, Kanchanakaeo, Kanchanakaew, Kanchanakeaw, Kanjaanakaeo, Kanjanakaew, Karnchanakaew, and Khanjanakaew