Globally, Θεμιστοκλής (Themistoklis 
, Themistocles 
, Θεμιστοκλής ) is a common masculine first name. The first name Θεμιστοκλής is characteristic of Greece, where it is a common masculine name, Tanzania, where it is a rare masculine name, and Brazil. Likewise, Θεμιστοκλής is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Themistoklis | Cyprus, South Africa, United States, Greece, Brazil |
| Themistocles | Philippines, United States, Tanzania, Greece, Brazil |
| Θεμιστοκλής | Greece |
| Temistoklis | Brazil, South Africa, Philippines |
Femistokl, Temistocle, Temistokle, Temistokles, and Themistokles
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θεμιστοκλής τρικούπης Greek soldier, GR (b. 1807) |
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θεμιστοκλής σοφούλης Prime Minister of Greece (1860-1949), GR (b. 1860) |
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| θεμιστοκλής κανάρης GR (b. 1819) |
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| θεμιστοκλής κετσέας GR (b. 1820) |
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| θεμιστοκλής μπαμίχας Greek politician, GR (b. 1875) |
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| θεμιστοκλής διακίδης Greek high jumper, GR (b. 1882) |
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| θεμιστοκλής χρυσοβέργης Greek politician, GR (b. 1885) |
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| θεμιστοκλής κακαράς Greek politician, GR (b. 1893) |
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| θεμιστοκλής δέρβης Cypriot mayor, CY (b. 1894) |
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| θεμιστοκλής αθανασιάδης - νόβας Greek journalist and politician, GR (b. 1895) |
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| θεμιστοκλής μαυρογορδάτος GR (b. 1891) |
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θεμιστοκλής μ. ρασσιάς Greek mathematician, GR (b. 1951) |
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| θεμιστοκλής κονίτσας Greek lawyer and politician, GR (b. 1901) |
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| θεμιστοκλής τσάτσος Greek jurist and diplomat, GR (b. 1906) |
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| θεμιστοκλής μπάλλας Greek politician, GR (b. 1917) |
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Βασιλειάδης, and Παναγιώτου