'MH' (ii) was the designation Allied convoys (together with a numerical suffix) plying the route from Milford Haven to Holyhead, and as such reciprocals of the 'HM' (ii) series (?/July 1942).

There were more than 240 such convoys to the north along the west coast of Wales, the last of them being the MH.125 convoy of 9/10 July 1942.