Last name สุจันทา (Sujanta 
, Sujantha 
, Suchanta ) , all over the world, is a rare surname. The last name สุจันทา is characteristic of Sri Lanka, where it is a rare surname, United Arab Emirates, and Thailand. Measured by absolute frequency, it is the most numerous in Thailand, Sri Lanka, and Indonesia. More prevalently, สุจันทา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sujanta | Bangladesh, Indonesia, India, Thailand |
| Sujantha | United Kingdom, United Arab Emirates, Thailand, Sri Lanka, India |
| Suchanta | India, Thailand |
| สุจันทา | Thailand |