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