Gisleham is a village and civil parish in the English county of Suffolk. It is on the edge of Lowestoft, around 5 miles south-west of the town centre. The parish is in the East Suffolk district, situated between Carlton Colville and Kessingland. The parish had a population of 778 at the 2011 United Kingdom census. The main A12 road cuts through the eastern portion of the parish close to the North Sea coast.