In all the world, เพ็ญสุข (Happiness 
, เพ็ญสุข 
, Pensuk 
) is a widespread primarily girly, but very infrequently masculine first name. The forename เพ็ญสุข is habitual in Sub-Saharan Africa, particularly Tanzania, where it is a common female name, Nigeria, where it is quite a common predominantly feminine, but very seldom male name, and South Africa, where it is quite a common girly name. Also, เพ็ญสุข is the last name as well as the forename.