'ECP' was the designation of Allied military convoys (together with a numerical suffix) carrying personnel from Portland and the Solent to the Seine Bay within the context of 'Overlord' and subsequent land operations, and as such reciprocals of the 'FCP' series (June/October 1944).

The first of these convoys was ECP.20 of 30 June with an unknown number of ships, and the last of the 24 convoys was ECP.43 of 24 July with an unknown number of ships.