| DEQ | delivered ex quay | 目的港码头交货 |
| DEQ | Depressive Experiences Questionnaire | 抑郁经历问卷 |
| DEQ | Departamento de Engenharia QuÍmica (Portugese) | Departamento de Engenharia QuÍmica (Portugese) |
| DEQ | Delivered Ex Quay (shipping) | 码头交货（装运） |
| DEQ | Diagnostic Equipment | 诊断设备 |
| DEQ | Department of Environmental Quality | 环境质量部 |
| DEQ | Dividend Equivalent | 股息等价物 |
| DEQ | Division of Environmental Quality | 环境质量处 |