Cognomen Four (Fo 
, Four 
, Фур 
) , throughout the world, is a common last name. The cognomen Four is habitual in Maldives, where it is a common surname, Andorra, where it is quite a common surname, and Suriname. In absolute terms, the name is most common in Algeria, Indonesia, and France. Likewise, Four is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fo | Egypt, India, France, Indonesia, Algeria |
| Four | India, France, Indonesia, China, Algeria |
| Фур | Kazakhstan, Kyrgyzstan, Russia, Ukraine |
| henri du four (b. 1550) |
|
|
| françois du four industrialist, BE (b. 1871) |
|
|
|
michel four French painter, FR (b. 1945) |
|
| claudius four French military personnel, FR (b. 1895) |
|
|
|
four tet British musician and DJ, GB (b. 1977) |
|
| four arrows writer and professor, US (b. 1946) |
|
|
|
meta four SE (b. 1987) |
|
| paul four modern pentathlete, FR (b. 1956) |
|
|
| chantal four French politician, FR (b. 1962) |
|
|
| frank de four BE (b. 1955) |
|
|
| jean-marc four French journalist, FR (b. 1966) |
|
|
| béatrice four French politician, FR (b. 1973) |
|
|
| christine four French politician, FR (b. 1974) |
|
|
| olivier four French motorcycle racer, FR |
|
|
| stephanie du four researcher (ORCID 0000-0002-9406-2274) |
|