All around the world, อุ่น (Un 
, อุ่น) is a common dominantly boy's, but uncommonly girly forename. The forename อุ่น is habitual in Macao, where it is quite a common epicene name, Albania, where it is quite a rare epicene name, and Japan, where it is quite a rare male name. Not in comparison with a country's population, this name is the most popular in Japan, China, and Indonesia. Also, อุ่น is the last name as well as the forename.
อุ่น is also a prevalent name for the fictitious and mythical characters: UN Staffer Gibson , the fictional character from 2016 film 'Captain America: Civil War'; Un servo della casa , the operatic character in the opera Luci mie traditrici; Un capo , the operatic character in the opera San Paolo; Un insulaire , the operatic character in the opera Roland (Piccinni) and Un cantaor huertano , the operatic character in the opera María del Carmen by Enrique Granados; a village singer off-stage voice, and in many other works.