All around the world, Iwannis (Iwannis 
) is a very rare principally male, but scarcely female first name. The first name Iwannis is characteristic of Southern Europe, particularly Greece, where it is a rare boy's name.
| VARIANT | COUNTRY |
|---|---|
| Iwannis | Greece, Brazil |
| iwannis gandour Roman Catholic archbishop (b. 1881) |
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| iwannis georges stété Roman Catholic archbishop (b. 1887) |
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| iwannis louis awad Syriac Catholic bishop (1934-2020), SY (b. 1934) |
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| iwannis i Patriarch of Antioch |
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| iwannis ii |
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Demian, Tzepos, Giannis, Tsirikis, Tzaferos, Myrsinias, Karpouzis, Kalaitzis, Kotanidis, Gougousis, Lazaridis, Katrantzoglou, Tragoulias, and Stavropoulos