DSV may refer to:

In sports: DSV Leoben, a football team based in Leoben, Austria German Swimming Federation (Deutscher Schwimm-Verband) German Ski Association (Deutscher Skiverband)

In transportation: DSV, a Danish transport company Dansville Municipal Airport (IATA code) in Dansville, New York deep-submergence vehicles, deep-diving self-propelled crewed submarines (in particular in the names of US Navy submersibles) diving support vessel, a ship used in commercial diving German State Railway Wagon Association (Deutscher Staatsbahnwagenverband)

In computing:

delimiter-separated values, a way to store two-dimensional arrays of data, in textual form

In culture: seaQuest DSV, an American science fiction television series (later renamed seaQuest 2032)

In other uses: Deutsche Schule Valparaiso, a German international school in Viña del Mar/Valparaiso, Chile Deutsche Schule Valencia, a German international school in Valencia, Spain Life Sciences Division (Division des Sciences du Vivant) of the French Alternative Energies and Atomic Energy Commission Sovereigntist Right in French Politics