Family name บังไซ (บังไซ 
) , in the entire world, is a very rare cognomen. The surname บังไซ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| บังไซ | Thailand |
นเรศ, พิชญ์ญากาญจน์, and กาญจน์สิตา