Last name Ongoni (Ongoni 
) , in the entire world, is a rare cognomen. The family name Ongoni is habitual in the Democratic Republic of the Congo, where it is a rare surname, India, where it is an extremely rare surname, and China. Very seldom, Ongoni is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ongoni | Democratic Republic of the Congo, China, India |