- DCEI stands for Dirección de Comunicación Empresarial e Institucional (Spanish: Business and Institutional Communication Directorate; various schools)
- DCEI stands for Development Centre of East Iceland
- DCEI stands for Deka Converging Europe Indicator (DekaBank; economic measurement tool)
- DCEI stands for Directorate of Central Excise Intelligence (UK)
Abbreviations And Their Meaning