Cognomen Nhaysavanh (Nhaysavanh 
) , around the globe, is a rare family name. The cognomen Nhaysavanh is habitual in South-eastern Asia, particularly Laos, where it is quite a common surname.
| VARIANT | COUNTRY |
|---|---|
| Nhaysavanh | Laos |
Aphone, Somboun, Sommanilath, and Sompathana