Surname Kiayi (Kiayi 
) , in the world, is a rare family name. The last name Kiayi is characteristic of the Democratic Republic of the Congo, where it is a rare surname, Indonesia, where it is a very rare surname, and Iran. Much less frequently, Kiayi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kiayi | Indonesia, Iran, United States, India, Democratic Republic of the Congo |
| hamid kiayi (b. 1924) |
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| syamsir djafar kiayi Indonesian politician (born 1974), ID (b. 1974) |
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