Surname ในฝัน (Naifan 
, ในฝัน 
) , around the world, is a very rare last name. The surname ในฝัน is habitual in Thailand, where it is a very rare surname, Philippines, where it is an extremely rare surname, and India. Much more frequently, ในฝัน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Naifan | Philippines, Brazil, China, India, United States |
| ในฝัน | Thailand |