DEQ

DEQ can 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