Family name ไยดี (Yaidi 
, ไยดี 
) , throughout the world, is a rare cognomen. The cognomen ไยดี is habitual in Venezuela, where it is a very rare surname, Indonesia, and Malaysia. Not in comparison with a country's population, this name is the most popular in Indonesia, Venezuela, and Nigeria. Likewise, ไยดี is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yaidi | Colombia, Venezuela, Indonesia, Nigeria, Malaysia |
| ไยดี | Thailand |