Cognomen จงใจสุรธรรม (จงใจสุรธรรม 
, Jongjaisuratham ) , all over the world, is a very rare family name. The last name จงใจสุรธรรม is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| จงใจสุรธรรม, Jongjaisuratham | Thailand |