Surname ไรอัน (Ryan 
, Raian 
, Raien 
) , globally, is a widespread cognomen. The cognomen ไรอัน is habitual in Ireland, where it is a widespread surname, Australia, where it is a common surname, and Saint Vincent and the Grenadines (explore the name in all countries). In absolute terms, it most frequently occurs in the United States, Australia, and Indonesia. More prevalently, ไรอัน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ryan | Australia, Philippines, Brazil, United States, Indonesia |
| Raian | Philippines, Brazil, United States, United Kingdom, Indonesia |
| Raien | Canada, Philippines, France, United States, India |
| ไรอัน | Thailand |