Agis

Agis may refer to:
* Agis I, a Spartan King.
* Agis II, a Spartan King
* Agis III, a Spartan King
* Agis IV, a Spartan King. Plutarch included a chapter on him in his Parallel Lives
* Agis, a Paionian king of the pre-Hellenistic era
* Agis of Argos, an ancient Greek poet
* AGIS (Apex Global Internet Services), a former Internet service provider