Family name Ariyasiri (Ariyasiri 
) , around the world, is a rare last name. The surname Ariyasiri is habitual in Sri Lanka, where it is quite a rare surname, Australia, where it is a very rare surname, and Thailand, where it is an extremely rare surname. Much less frequently, Ariyasiri is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ariyasiri | Sri Lanka, Australia, Thailand |