Last name Bongrain (Bongrain 
) , worldwide, is a rare cognomen. The surname Bongrain is habitual in Switzerland, where it is a rare surname, France, and Hong Kong. Not in comparison with a country's population, it most frequently occurs in Western Europe, particularly France, Switzerland, and Belgium. Very seldom, Bongrain is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bongrain | Belgium, Spain, Hong Kong, Switzerland, France |
| maurice bongrain FR (b. 1879) |
|
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| alex bongrain FR (b. 1952) |
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