Family name มงคลสตกาญจน์ (มงคลสตกาญจน์ 
) , all around the world, is an extremely rare surname. The cognomen มงคลสตกาญจน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| มงคลสตกาญจน์ | Thailand |