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Last name Otoumou (Otoumou
) , all over the world, is quite a rare family name. The last name Otoumou is habitual in Sub-Saharan Africa, particularly Gabon, where it is quite a common surname, and the Democratic Republic of the Congo, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Otoumou | Democratic Republic of the Congo, Gabon |