Surname อาไร (Arai 
, อาไร 
) , around the world, is quite a common last name. The surname อาไร is characteristic of Japan, where it is quite a rare surname, United Arab Emirates, and Singapore. Measured by absolute frequency, it is the most numerous in Japan, India, and Indonesia. Likewise, อาไร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Arai | Japan, Indonesia, India, Brazil, United States |
| อาไร | Thailand |