Surname อภินันทน์ (Apinan 
, Aphinan 
, อภินันทน์ ) , around the world, is quite a rare cognomen. The last name อภินันทน์ is habitual in South-eastern Asia, particularly Laos, where it is quite a rare surname, Thailand, where it is a rare surname, and Philippines. More frequently, อภินันทน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Apinan | Australia, United States, India, Thailand, Philippines |
| Aphinan | Laos, United Kingdom, United States, Thailand |
| อภินันทน์ | Thailand |