'KJ' (ii) was the designation of British special forces beach reconnaissance undertakings on the northern coast of German-occupied France (March/December 1943).

The first of these undertakings was 'KJA' near the Pointe d’Ailly in March, and others were 'KJD' on the eastern side of the Cotentin peninsula during the same month, and 'KJF' on the north coast of German-occupied France in December.