'EW' (i) was a British naval minelaying operation in the Heligoland Bight (2/3 January 1940).

The destroyers Intrepid and Ivanhoe departed Immingham to countermine a German minefield in the Heligoland Bight, and seven destroyers of the 1^st Destroyer Flotilla, based at Harwich, operated in the same area to provide cover for the mining operation.