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 | Brazil, Bahrain, Thailand, United Kingdom, United States |
| Chompoonuch | Malaysia, Thailand, France, United Kingdom, United States |
| Chomphunut | Singapore, Thailand, Australia, United States, Cambodia |
Chombhunuch, Chomphoonut, Chomphunoot, Chomphunuch, Chomphunuth, Chomphunutq, Choomphunut, and Shompunut