'AT' (iii) was the designation of Allied convoys (together with a numerical suffix ) plying the Italian east coast route between Ancona and Trieste (June 1945).

There were only two such convoys in the form of AT.1 of 15/16 June with the 1,912-ton French Château Latour and 1,575-ton British Shuna, and AT.2 of 21/22 June with the 1,180-ton British Chloris and 1,931-ton British Esneh.