Family name Chailangga (Chailangga 
) , worldwide, is a very rare surname. The cognomen Chailangga is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Chailangga | Thailand |
Kamtan, Saguldao, Supanee, Teerayut, and Pattaraporn