SEZ Special Economic Zone
SEZ Steinbeis Europa Zentrum (German: Steinbeis Foundation; Germany)
SEZ Stiftung Entwicklungs Zusammenarbeit (German: Foundation of Development Cooperation)
SEZ Stream Environment Zone
SEZ State Enterprise Zones (California; business incentive)
SEZ Single Economic Zone (free trade)
SEZ Société d'Ethnozootechnie (French: Ethnozootechnics Society)
SEZ Mahe Island, Seychelles - Mahe Island Seychelles International (Airport Code)