DWL may refer to:
- Deadweight loss, the difference in production and consumption of any given product or service
- Doświadczalne Warsztaty Lotnicze, the former Polish aircraft manufacturer, active in 1933-1939
- Deutsche Wasserball-Liga, the premier category in the league system for water polo clubs in Germany
- Bankan Tey Dogon, the ISO 639 code dwl
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