R. Walther Darré was a German fishing trawler that was requisitioned by the Kriegsmarine in the Second World War for use as a Vorpostenboot.

The engine powered a single screw propeller driven via a geared low pressure turbine.

[1] The ship was built as yard number 506 by Deschimag Seekbeckwerft, Wesermünde for the Nordsee Deutsche Hochseefischerei Bremen-Cuxhaven AG.

[2] R. Walther Darré took part in the Festungkriegsübung Swinemünde naval exercises on 10 June 1937.

[5] On 27 August 1942, she was attacked and sunk by Allied aircraft at Dieppe, Seine-Inférieure, France.