- DSEF stands for Direct Selling Education Foundation (Washington, DC)
- DSEF stands for Dove Self-Esteem Fund (Dove Campaign for Real Beauty)
- DSEF stands for Deutsche Stiftung Edelsteinforschung (German: German Foundation for Gemstone Research)
- DSEF stands for Diplôme Supérieur d’Etudes Françaises (French: Advanced Diploma in French Studies)
- DSEF stands for Dover-Sherborn Education Fund (Dover, MA)
- DSEF stands for Domini Social Equity Fund (USA)
DSEF