Surname Καλλέργης (Kallergis 
, Καλλέργης ) , around the world, is quite a rare last name. The surname Καλλέργης is characteristic of Greece, where it is quite a common surname, Serbia, where it is a rare surname, and Bulgaria. In absolute terms, it is the most numerous in Greece, the United States, and Serbia. Much less frequently, Καλλέργης is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kallergis | Serbia, Australia, United States, Greece, Bulgaria |
| Καλλέργης | Greece |
| νικόλαος καλλέργης Greek painter, GR (b. 1699) |
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δημήτριος καλλέργης Greek politician (1803-1867), GR (b. 1803) |
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| σταύρος καλλέργης Greek socialist, GR (b. 1865) |
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| δημήτριος καλλέργης Greek politician (1868-1923), GR (b. 1868) |
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| δημήτριος ι. καλλέργης Greek politician and diplomat (1868 - 1923), GR (b. 1868) |
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| ιωάννης καλλέργης Greek diplomat (1903 - 1976), GR (b. 1904) |
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| λυκούργος καλλέργης Greek actor and politician (1914-2011), GR (b. 1914) |
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| περικλής καλλέργης Greek politician, GR |
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| μανώλης καλλέργης Greek footballer, GR (b. 1990) |
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