Surname ชมภูนุช (ชมภูนุช 
, Chompunuch 
, Chompoonuch 
, and others...) , around the globe, is quite a rare last name. The surname ชมภูนุช is habitual in Thailand, where it is quite a rare surname, Bahrain, and Singapore, where it is a rare surname. More frequently, ชมภูนุช is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chomphoonuch, ชมภูนุช | Thailand |
| Chompunuch | United Kingdom, United States, Thailand, Bahrain, Brazil |
| Chompoonuch | United Kingdom, Malaysia, United States, Thailand, France |
| Chomphunut | Australia, Singapore, Cambodia, United States, Thailand |
Chombhunuch, Chomphoonut, Chomphunoot, Chomphunuch, Chomphunuth, Chomphunutq, Choomphunut, and Shompunut