OEA

OEA may refer to:
 * Oea, the Phoenician name for Tripoli, Libya
 * Office of Economic Adjustment
 * Ohio Education Association
 * Oleoylethanolamide, an endogenous peroxisome proliferator-activated receptor alpha (PPAR -α) agonist
 * Oregon Education Association
 * Organización de los Estados Americanos (Organization of American States), a group dedicated to strengthening ties in the western hemisphere
 * O'Neal Airport's IATA code
 * Operadora Estatal de Aeropuertos, a Mexican airline agency and owner of Hermanos Serdán International Airport
 * Office of the Employment Advocate, Australian agency now subsumed under the Workplace Authority