'Wyandotte' was a British unrealised naval deception intended to persuade the Japanese that Q-ships were being operated in the sea lanes between Australia and South Africa, and thereby deter the Japanese from undertaking submarine operations against the convoys on these routes (December 1942).

The idea was proposed, together with 'Bijou' and 'Workhouse', to Colonel Dudley W. Clarke’s 'A' Force Middle Eastern deception organisation by Admiral Sir James Somerville, commander-in-chief of the Eastern Fleet, during a visit to Cairo in December 1942. It was quickly appreciated, however, that the implementation of any such plan would merely confirm in Japanese minds the importance of the convoys and therefore make attack all the more likely.