This is a list of wars involving the political entities based in the Magadha region of India.
| Conflict | Magadha and Allies | Opponent(s) | Outcome | |
|---|---|---|---|---|
| Magadha–Anga war (540–535 BCE) | Haryanka dynasty | Anga | Victory[1]
| |
| First Magadha–Avanti War (544–413 BCE) | Haryanka dynasty | Avanti | Defeat[2]
| |
| Magadha–Kosala War (Late 5th century BCE) | Haryanka dynasty | Kosala | Victory[3]
| |
| Magadha–Vajji war (484–468 BCE) | Haryanka dynasty | Vajjika League | Victory
| |
| Second Magadha–Avanti War (413–400 BCE) | Shishunaga dynasty | Avanti | Victory[4]
| |
| Nanda's conquest of Northern India(c.345 - 321 BCE) | Nanda dynasty | North Indian states | Victory[5] | |
| Overthrow of the Nanda dynasty (c. 323–321 BCE) | Nanda dynasty | Chandragupta Maurya | Defeat[6]
| |
| Chandragupta's conquest of North-western India (c. Early 3rd century BCE) | Maurya dynasty | Greek satrapies | Victory[7]
| |
| Chandragupta's Conquests of Deccan(c. Early 3rd century BCE) | Maurya dynasty | Deccan states | Victory[8]
| |
| Seleucid–Mauryan War (305–303 BCE) | Maurya dynasty | Seleucid Empire | Victory[9]
| |
| First Takshashila Revolt (c. Late 3rd century BCE) | Maurya dynasty | Rebels | Victory
| |
| Second Takshashila Revolt (c. Late 3rd century BCE) | Maurya dynasty | Rebels | Defeat
| |
| Kalinga War (c. 262–261 BCE) | Maurya dynasty | Kalinga | Victory
| |
| Mauryan Reconquest (c. Early 2nd century BCE) | Maurya dynasty | Breakaway territories
| Victory[10]
| |
| Shunga–Greek War (c. Late 2nd century BCE) | Shunga dynasty | Hellenistic states | Victory[11]
| |
| Shunga–Vidarbha War (c. Mid 1st century BCE) | Shunga dynasty | Vidarbha | Victory
| |
| Kanva–Satavahana War (28 BCE) | Kanva dynasty | Satavahana dynasty | Defeat[12] |