Cognomen 开福 (Kaifu 
, 开福 ) , in the world, is quite a rare surname. The last name 开福 is habitual in China, where it is a very rare surname, the United States, where it is an extremely rare surname, and India. More prevalently, 开福 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kaifu | China, Canada, United States, India, Taiwan |
| 开福 | China |