- DSER stands for Deutsche Software Engineering & Research (German software development company)
- DSER stands for Diplôme Supérieur d’Étude et de Recherche (French: Advanced Research and Studies Diploma)
- DSER stands for Dialogue on Science Ethics and Religion
- DSER stands for Division of Support Enforcement and Recovery (Maine)
- DSER stands for Duneland School of Emergency Response (Chesterton, IN)
DSER