Family name กุญจันทะ (กุญจันทะ 
) , in the entire world, is a very rare surname. The cognomen กุญจันทะ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| กุญจันทะ | Thailand |
วิทยา, and สุริศักดิ์