Last name Феифеи (Feifei 
, Феифеи 
) , across the world, is quite a rare cognomen. The last name Феифеи is habitual in Serbia, where it is a rare surname, Singapore, and Hong Kong. Not in comparison with a country's population, it is commonest in China, Indonesia, and Serbia. Much more frequently, Феифеи is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Feifei | China, Indonesia, United States, Hong Kong, Taiwan |
| Феифеи | Russia |