Family name Gnonlonfoun (Gnonlonfoun 
) , worldwide, is quite a rare last name. The cognomen Gnonlonfoun is habitual in Sub-Saharan Africa, particularly Benin, where it is quite a common surname, Ivory Coast, where it is a rare surname, and Ethiopia. Very seldom, Gnonlonfoun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gnonlonfoun | France, Benin, Ethiopia, Nigeria, Ivory Coast |
| joseph gnonlonfoun Judge and Beninese politician, BJ (b. 1943) |
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| isidore gnonlonfoun Beninese politician, BJ |
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Mr, Alfred, Charly, Claude, Paulin, Pierre, Derick, Donald, Gaston, Gloria, Lionel, Edwina, Victor, Ignace, Wecsteen, Mathieu, Maurice, Armenia, Adolphe, Chantal, Calixte, Colombe, Michel, Cyrille, Maxime, Valã, Luc, Jã, Eud, Fã, Abed, Rick, Jean, Simon, Serge, Sonia, Steve, Alain, Boris, Kelly, Ralph, Roger, Regis, David, Louis, Lucie, Jamal, Marcel, and Cécile