Cognomen Sengnoi (Sengnoi 
) , around the globe, is a very rare family name. The surname Sengnoi is habitual in South-eastern Asia, particularly Myanmar, where it is a rare surname, and Thailand, where it is a very rare surname. Much less frequently, Sengnoi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sengnoi | Myanmar, Thailand |