Cognomen Sangwichitr (Sangwichitr 
) , in the world, is a very rare surname. The last name Sangwichitr is characteristic of Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sangwichitr | United States, Thailand |
สังวิจิตร, and สังวิจิตร์