Surname แสงเรณู (แสงเรณู 
) , in all the world, is a very rare cognomen. The last name แสงเรณู is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, แสงเรณู is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| แสงเรณู | Thailand |