Surname บุญแผน (บุญแผน 
) , all around the world, is a very rare last name. The cognomen บุญแผน is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, บุญแผน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| บุญแผน | Thailand |