Last name Kairoon (Kairoon 
) , across the world, is a very rare cognomen. The surname Kairoon is habitual in Southern Asia, particularly India, where it is an extremely rare surname. Much more prevalently, Kairoon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kairoon | India, United States, Brazil, South Africa |