Cognomen แปลน (Plan 
, แปลน 
, Plaen 
) , worldwide, is quite a rare surname. The last name แปลน is characteristic of Western Europe, particularly Switzerland, where it is quite a rare surname, France, and Belgium. Not in comparison with a country's population, it is commonest in France, Philippines, and Myanmar. Very seldom, แปลน is the forename as well as the last name.