Cognomen อิอิ (Ii 
, อิอิ 
) , globally, is a common last name. The surname อิอิ is habitual in Bermuda, where it is quite a common surname, Brunei, and Reunion (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Indonesia, Brazil, and Egypt. Very seldom, อิอิ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ii | Brazil, Morocco, Bangladesh, Egypt, Indonesia |
| อิอิ | Thailand |