Last name Aarto (Aarto 
) , throughout the world, is a rare surname. The cognomen Aarto is habitual in Finland, where it is quite a rare surname, and China, where it is an extremely rare surname. Much less frequently, Aarto is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aarto | India, China, Finland |
| uuno aarto Finnish actor (1894-1928), FI (b. 1894) |
|
|
| tiina aarto FI |
|