In all the world, แสงเพ็ญ (แสงเพ็ญ 
, Sangpen 
, Saengpen 
) is a rare largely feminine, but seldom masculine given name. The first name แสงเพ็ญ is characteristic of Thailand, where it is a rare largely girly, but uncommonly boy's name, and India, where it is an extremely rare masculine name. Likewise, แสงเพ็ญ is the last name as well as the forename.