Family name กนกโรจน์ (Kanokroch 
, กนกโรจน์ , Kanaroj) , in all the world, is a very rare cognomen. The last name กนกโรจน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, กนกโรจน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| กนกโรจน์, Kanokroch | Thailand |