'Rilgen' was a German naval minelaying operation off the west coast of German-occupied Norway (3/4 February 1941).
The undertaking was carried out by the minelayers Brummer and Tannenberg escorted by the torpedo boat Falke and other vessels of Kapitänleutnant Hansfrieder Rost’s 1st Torpedoboots-Flottille and Korvettenkapitän Walter Riede’s 2nd Torpedoboots-Flottille.