DEI may refer to:
Business and organisations
- Dale Earnhardt, Inc., a NASCAR team
- Dayalbagh Educational Institute, in Agra, India
- Directed Electronics, Inc., American manufacturer of vehicle security systems
- Public Power Corporation, (Greek: Δημόσια Επιχείρηση Ηλεκτρισμού, Dimosia Epicheirisi Ilektrismou) the Greek national electrical company
Other uses
- Dei Rural LLG, a local government in Papua New Guinea
- DEI (Dabney Eats It), motto of Dabney House at Caltech, U.S.
- Doofenshmirtz Evil Incorporated, a fictional company
- Development Effectiveness Indicator, an effectiveness measure for development finance
See also
- All pages with titles containing dei
- Deus (disambiguation) (dei is the genitive singular of deus)
- Deus, the Latin word for "god" or "deity"
- Dutch East Indies