Last name มิใย (Miyai 
, มิใย 
) , worldwide, is a rare family name. The last name มิใย is characteristic of Kenya, where it is a rare surname, Thailand, and Austria. Not in comparison with a country's population, it is commonest in Brazil, Kenya, and Thailand. Much less frequently, มิใย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Miyai | Brazil, United States, Japan, Kenya, India |
| มิใย | Thailand |