Around the world, แสงไว (Sangwai 
, แสงไว , Saengwai ) is a rare primarily feminine, but very infrequently masculine first name. The forename แสงไว is characteristic of Southern Asia, particularly India, where it is a very rare primarily girly, but scarcely masculine name. Also, แสงไว is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sangwai | South Africa, Nigeria, Thailand, United States, India |
| แสงไว, Saengwai | Thailand |