Surname จันทะสุข (จันทะสุข 
, Chantahsook , Jantasuk ) , around the world, is a rare family name. The family name จันทะสุข is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Jantasuk, Chantahsook, Jantasook, จันทะสุข | Thailand |
Chantasuk, Chanthasuk, and Janthasuk