Surname Каиры (Kairy 
, Каиры 
) , all around the world, is quite a rare family name. The cognomen Каиры is habitual in Egypt, where it is a rare surname, Bangladesh, and Saudi Arabia. Not in comparison with a country's population, it is the most numerous in Bangladesh, India, and Egypt. Much less frequently, Каиры is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kairy | Libya, Egypt, India, Bangladesh, Taiwan |
| Каиры | Russia, Kyrgyzstan |