Agis II
| Agis II | |
|---|---|
| King of Sparta | |
| Reign | 427/6–400/399 BC (27 years) |
| Predecessor | Archidamus II |
| Successor | Agesilaus II |
| Co-ruler | Pausanias |
| Died | c. 399 BC Sparta |
| Spouse | Timaea |
| Issue | Leotychidas (possibly illegitimate) |
| Greek | Ἄγις |
| Dynasty | Eurypontid |
| Father | Archidamus II |
Agis II (Ancient Greek: Ἄγις; died c. 399 BC) was the 18th Eurypontid king of Sparta, the eldest son of Archidamus II by his first wife, and half-brother of Agesilaus II. He ruled with his Agiad co-monarch Pausanias.