Worldwide, Флегонт (Phlegon 
, Flegon 
, Флегонт 
) is a rare boy's forename. The first name Флегонт is habitual in the Democratic Republic of the Congo, where it is a rare masculine name, and Russia, where it is a very rare boy's name. Much less frequently, Флегонт is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Phlegon | India, Democratic Republic of the Congo, Philippines |
| Flegon | South Africa, Philippines, France, Brazil, Democratic Republic of the Congo |
| Флегонт | Kazakhstan, Russia, Ukraine |
| Flegont | United States |
Флегонт is also a name for the fictitious and mythical characters: Phlegon , the horse of the god Helios according to Ovid.
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флегонт арсеньевич арсеньев Russian local historian (1832-1889), RU (b. 1832) |
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| башмаков, флегонт миронович RU (b. 1774) |
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| флегонт семёнович пальмов RU (b. 1801) |
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| флегонт флегонтович пальмов RU (b. 1825) |
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| флегонт васильевич духовников RU (b. 1844) |
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| урчукин, флегонт михайлович RU (b. 1870) |
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| показаньев, флегонт яковлевич RU (b. 1922) |
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