Cognomen งามวิโรจน์เจริญ (งามวิโรจน์เจริญ 
, Ngamwirojcharoen , Ngamvirojcharoen 
) , around the world, is a very rare last name. The last name งามวิโรจน์เจริญ is habitual in Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ngamwirojcharoen, งามวิโรจน์เจริญ | Thailand |
| Ngamvirojcharoen | United States, Thailand |