Cognomen Osili (Osili 
) , worldwide, is a rare family name. The cognomen Osili is habitual in Jordan, where it is a rare surname, Nigeria, where it is a very rare surname, and the United Kingdom. Measured by absolute frequency, it is commonest in Nigeria, Jordan, and the United States. Also, Osili is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Osili | Jordan, Brazil, United Kingdom, United States, Nigeria |
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una osili professor of economics and philanthropic studies, US |
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| vop osili American politician in Indiana (born 1963), US (b. 1963) |
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| elle osili-wood |
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