Cognomen كيفي (Kaifi 
, Kivi 
, كيفي 
) , in the world, is quite a common last name. The family name كيفي is habitual in Estonia, where it is a common surname, Finland, where it is quite a common surname, and Fiji, where it is quite a rare surname. Not in comparison with a country's population, this name is the most popular in India, Estonia, and Finland. Likewise, كيفي is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kaifi | Tanzania, Pakistan, United States, India, Saudi Arabia |
| Kivi | Tanzania, Estonia, Finland, United States, India |
| كيفي | Iran, Iraq, Oman, Egypt, Saudi Arabia |
| Kiffy | Canada, Taiwan, Thailand, United Kingdom, United States |