Pleistarchus
| Pleistarchus | |
|---|---|
| King of Sparta | |
| Reign | 480–459 BC | 
| Predecessor | Leonidas I | 
| Successor | Pleistoanax | 
| Died | c. 458 BC | 
| Father | Leonidas I | 
| Mother | Gorgo | 
Pleistarchus (Ancient Greek: Πλείσταρχος Pleistarchos; died c. 458 BC) was the Agiad King of Sparta from 480 to 458 BC.