Deadweight loss is a term in economics.
DWL may also stand for:
Designwaterline, or summer seawater load line, a load line for watercraft Deutsche Wasserball-Liga, the premier category in the league system for water polo clubs in Germany Doświadczalne Warsztaty Lotnicze, a Polish aircraft manufacturer 1933-1939 Bankan Tey Dogon, ISO 639-3 language code dwl