Surname Ngamlao (Ngamlao 
) , around the globe, is a rare family name. The cognomen Ngamlao is habitual in Japan, where it is a rare surname, Thailand, where it is a very rare surname, and India, where it is an extremely rare surname. Likewise, Ngamlao is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ngamlao | Japan, India, Thailand |