AGZ may refer to:

Aggeneys Airport (IATA code), Aggeneys, Northern Cape, South Africa Antiquarische Gesellschaft in Zürich (Antiquarian Society of Zürich) Mount Iriga Agta language (ISO-639-3 code), a Bikol language spoken in the Philippines Volkswagen's 2.3 VR5 110-125 kW engine; see List of discontinued Volkswagen Group petrol engines Wagner Municipal Airport, Wagner, South Dakota, US (FAA location identifier AGZ)