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| Antigonus II Gonatas | |
|---|---|
 Coin of Antigonus Gonatas | |
| King of Macedonia | |
| Reign | 277–274 BC (first time) |
| Predecessor | Sosthenes |
| Successor | Pyrrhus of Epirus |
| Reign | 272–239 BC (second time) |
| Predecessor | Pyrrhus of Epirus |
| Successor | Demetrius Aetolicus |
| Born | c. 320 BC |
| Died | 239 BC (aged approximately 80) |
| Spouse | Phila (daughter of Seleucus) |
| Issue | Halcyoneus Demetrius Aetolicus |
| Dynasty | Antigonid dynasty |
| Father | Demetrius Poliorcetes |
| Mother | Phila (daughter of Antipater) |
Antigonus II Gonatas (Greek: Ἀντίγονος Γονατᾶς, Antígonos; c. 320[1] – 239 BC) was a Macedonian Greek ruler who solidified the position of the Antigonid dynasty in Macedon after a long period defined by anarchy and chaos and acquired fame for his victory over the Gauls who had invaded the Balkans.