Family name Sidiropoulos (Sidiropoulos 
, Σιδηρόπουλος , Сидиропулос 
) , around the globe, is quite a common cognomen. The family name Sidiropoulos is characteristic of Greece, where it is quite a common surname, Cyprus, where it is quite a rare surname, and Germany, where it is a rare surname. Not in comparison with a country's population, the name is most common in Greece, Germany, and the United States.
| VARIANT | COUNTRY |
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| Sidiropoulos | Greece, Australia, United States, Romania, Germany |
| Σιδηρόπουλος | Greece |
| Сидиропулос, Сидиропоулос | Russia |
| giorgos sidiropoulos Greek footballer (b. 1949) |
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| georg sidiropoulos (b. 1945) |
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| ioannis sidiropoulos Greek weightlifter (b. 1956) |
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| panagiotis sidiropoulos Greek footballer, GR (b. 1967) |
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| sotiris rené sidiropoulos painter and sculptor, FR (b. 1977) |
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| konstantinos sidiropoulos researcher ORCID 0000-0002-0832-8882 |
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| themistoklis p. h. sidiropoulos researcher |
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| pantelis sidiropoulos researcher |
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| anastasios sidiropoulos Ph.D. Massachusetts Institute of Technology 2008 |
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| christos sidiropoulos researcher |
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| nicholas d sidiropoulos researcher |
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| epaminondas sidiropoulos researcher |
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| nikos sidiropoulos researcher |
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| nikolaos sidiropoulos Ph.D. University of Maryland College Park 1992 |
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| alexis n sidiropoulos researcher (ORCID 0000-0001-9768-4151) |
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