| Rank | Abbreviation | Meaning |
|---|
| ***** | DEES | Diplôme Européen d'Etudes Supérieures
| |
| ***** | DEES | Diplôme d'Etat d'Educateur Spécialisé (French: State Diploma of Specialist Educator; professional certification)
| |
| **** | DEES | Dynamic Electromagnetic Environment Simulator
| |
| **** | DEES | Directorate of Extension and Engineering Services
| |
| **** | DEES | Department of Environmental and Engineering Services (Florida)
| |
| **** | DEES | Department Earth and Environmental Sciences
| |
| **** | DEES | Delaine Eastin Elementary School
| |
| **** | DEES | Diploma in Education of Exceptional Students
| |
| **** | DEES | Division of Earth and Ecosystem Sciences (est. 1999; Desert Research Institute; Nevada)
| |
| *** | DEES | Division of Earth and Ecoystem Sciences
| |
| *** | DEES | Department of Earth abd Environmental Sciences
| |
| *** | DEES | Duke Entrepreneurship Education Series
| |
| *** | DEES | Domestic Energy Efficiency Scheme (Ireland)
| |