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Across the world, Rigain (Rigain
) is a rare boy's first name. The forename Rigain is characteristic of Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is a rare male name. Very seldom, Rigain is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Rigain | Democratic Republic of the Congo, India |
Mbemba, Lusala, and Karmacharya