Last name Darn (Darn 
, สาปแช่ง) , all around the world, is a rare family name. The last name Darn is habitual in Myanmar, where it is a rare surname, New Zealand, and the United Kingdom, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in Myanmar, the United Kingdom, and Indonesia. Also, Darn is the forename as well as the last name.