Last name Аи (Ai 
, Ay 
, Sugiyama 
) , in the entire world, is a widespread family name. The family name Аи is habitual in Turkey, where it is a common surname, Malaysia, where it is quite a common surname, and Myanmar (explore the name in all countries). In absolute terms, it most frequently occurs in China, Turkey, and Malaysia. Also, Аи is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ai | Myanmar, China, Indonesia, Japan, Turkey |
| Ay | Myanmar, China, Indonesia, Malaysia, Turkey |
| Sugiyama | Germany, India, Indonesia, Malaysia, China |
| Аи | Kazakhstan, Russia, Armenia, China, Kyrgyzstan |