Cognomen Aki-Sugai (Aki-Sugai 
) , all over the world, is an extremely rare last name. The family name Aki-Sugai is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Parts of the name also exists independently as a first name Aki, and a last name Sugai.
| VARIANT | COUNTRY |
|---|---|
| Aki-Sugai | United States |