In all the world, Istifanus (Istifanus 
) is a common unisex forename. The first name Istifanus is habitual in Nigeria, where it is quite a rare gender-neutral name, and Indonesia, where it is a very rare male name. Likewise, Istifanus is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Istifanus | United States, United Kingdom, Indonesia, Nigeria |
| istifanus gyang Nigerian politician, NG (b. 1964) |
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| istifanus sonsare zabadi doctoral candidate at the London School of Economics and Political Science |
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| istifanus p. aiki researcher (ORCID 0000-0002-6981-6919) |
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