Agis

Agis may refer to:

• Agis I (died 900 BC), a Spartan king
• Agis II (died 401 BC), a Spartan king
• Agis III (died 331 BC), a Spartan king
• Agis IV (265 BC–241 BC), a Spartan king; Plutarch included a chapter on him in his Parallel Lives
• Agis (Paeonian), 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
• Maurice Agis (1931–2009), a British sculptor and artist
• Atomic Gravitational Wave Interferometric Sensor, or (AGIS), a proposed type of gravitational wave detector