Surname Флегонт (Phlegon 
, Flegon 
, Флегонт 
) , worldwide, is an extremely rare family name. The family name Флегонт is habitual in France, where it is an extremely rare surname, and Ukraine. Much more prevalently, Флегонт is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phlegon | Philippines, India, Democratic Republic of the Congo |
| Flegon | France, Philippines, Democratic Republic of the Congo, South Africa, Brazil |
| Флегонт | Kazakhstan, Russia, Ukraine |
| Flegont | United States |