Nicomedes IV of Bithynia
| Nicomedes IV Philopator | |
|---|---|
Nicomedes IV depicted on a silver coin | |
| King of Bithynia | |
| Reign | c. 94–74 BC |
| Predecessor | Nicomedes III |
| Successor | Bithynia became a Roman province |
| Issue | Nysa |
| Father | Nicomedes III |
| Mother | Nysa or Aristonica |
Nicomedes IV Philopator (Ancient Greek: Νικομήδης Φιλοπάτωρ) was the king of Bithynia from c. 94 BC to 74 BC. He was the first son and successor of Nicomedes III of Bithynia.