DEQ

DEQ may refer to:

• Delivered Ex Quay, an Incoterm
• Department of Environmental Quality, any of various U.S. state agencies:
• Arkansas Department of Environmental Quality
• Idaho Department of Environmental Quality
• Louisiana Department of Environmental Quality
• Michigan Department of Environmental Quality
• Montana Department of Environmental Quality
• Oklahoma Department of Environmental Quality
• Oregon Department of Environmental Quality
• Utah Department of Environmental Quality
• J. Lynn Helms Sevier County Airport, De Queen, Arkansas, United States
• Deqing Moganshan Airport, in Zhejiang, China
• Double-ended queue
• Deq (tattoo), traditional Kurdish tattoos