Family name แสงอาทิตย์ (Solar 
, แสงอาทิตย์ 
) , throughout the world, is a common last name. The surname แสงอาทิตย์ is characteristic of Chile, where it is quite a common surname, Slovenia, and Slovakia. Not in comparison with a country's population, this name is the most popular in Chile, Mexico, and Philippines. Much less frequently, แสงอาทิตย์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Solar | Peru, Philippines, Chile, United States, Mexico |
| แสงอาทิตย์ | Thailand |