Family name Fain (Fain 
, فاين 
, Фаин 
) , worldwide, is a common cognomen. The family name Fain is characteristic of the United States, where it is quite a rare surname, Croatia, and Belgium. Not in comparison with a country's population, this name is the most popular in the United States, Russia, and Argentina. Very seldom, Fain is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fain | France, Argentina, United States, India, Indonesia |
| فاين | Iraq, Yemen, Sudan, Egypt |
| Фаин | Kazakhstan, Russia, Belarus, Kyrgyzstan |
| Файн | Ukraine, Kazakhstan, Russia, Armenia, Kyrgyzstan |
|
agathon jean françois fain French historian (1778-1837), FR (b. 1778) |
|
| thomas fain (b. 1760) |
|
|
| eliza rhea anderson fain (b. 1816) |
|
|
| lucile fain French golfer (1867-1942), FR (b. 1867) |
|
|
|
jordana fain Argentinian actress, AR (b. 1917) |
|
| paul fain (b. 1861) |
|
|
| sarah lee fain American school teacher and politician (1888-1962), US (b. 1888) |
|
|
| gael fain (b. 1892) |
|
|
| ben fain American contract bridge player, US (b. 1903) |
|
|
| alexandre marie alphonse jean fain Belgian entomologist and acarologist (1912-2009), BE (b. 1912) |
|
|
| yonia fain Ukrainian-born artist, poet and author, UA (b. 1913) |
|
|
| matty fain US (b. 1905) |
|
|
| michel fain French psychoanalyst, FR (b. 1917) |
|
|
| harry fain American lawyer (1918-2007), US (b. 1918) |
|
|
|
tim fain American violinist, US (b. 1979) |
|