'LT' was the designation of Allied convoys plying the route from Lagos, Nigeria, to Takoradi, Gold Coast, and as such reciprocals of the 'TL’series (September 1942/August 1943).

The earliest known convoy of the series was LTS.16 of 25/27 September 1942 with an unknown number of ships, and the last was LTS.27 of 23/25 August 1943 with the 6,945-ton British Junecrest and 6,770-ton British Silversandal.