AEO may refer to:
Adaptive Execution Office of DARPA (US military) Aioun el Atrouss Airport in Hodh El Gharbi Region, Mauritania (IATA airport code AEO) Alternative episcopal oversight, ecclesiastical systems through which certain churches are provided with a different bishop American Eagle Outfitters, an American clothing and accessories retailer Appearance event ordination, a dating system for land mammal fossils Authorized economic operator, a WCO standard to secure and facilitate global trade Answer engine optimization, a digital marketing practice aimed at improving content visibility in direct-answer and AI-generated search systems
See also AO (disambiguation) EO (disambiguation) Aeos (disambiguation) AOE (disambiguation)