- DLW stands for Doubly Labeled Water
- DLW stands for Damage Liability Waiver (insurance)
- DLW stands for Discovering Lost Ways (Natural England; UK)
- DLW stands for Dussaux, Lepoutre, Wattier (French architectural firm)
- DLW stands for Delaware, Lackawanna, and Western Railroad
- DLW stands for Deutsche Linoleumwerke (German Flooring Factory)
- DLW stands for Diversity of the Lepidoptera in the World (Centre for Entomological Studies Ankara project)
DLW