In the world, แสงวรรณ (Sangwan 
, แสงวรรณ , Sangwarn ) is a rare unisex first name. The given name แสงวรรณ is characteristic of Thailand, where it is a rare dominantly feminine, but uncommonly male name, India, where it is an extremely rare mostly boy's, but infrequently female name, and the United States, where it is an extremely rare gender-neutral name. More frequently, แสงวรรณ is the last name as well as the forename.