Leon of Paionia
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Leon of Paionia (Greek: Λέων) (278 BC – 250 BC) was an ancient Paeonian[1] king, the father of Dropion.

In 279, when the Gauls defeated Ptolemy Ceraunus and got as far as Delphi, it is certain that Paeonia was overrun and held for a time by their chieftain Brennus, but in the wake of the Celtic invasion, Leon reestablished the Paeonian kingdom.[2]