Family name มัฏฐกุล (มัฏฐกุล 
) , across the world, is an extremely rare last name. The cognomen มัฏฐกุล is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| มัฏฐกุล | Thailand |
อังคณา, and กัญจน์ภัสสรณ์