Ceratopogonids from light, bait and emergence traps and from inside houses were examined on the West Indian Island of Grand Cayman. Thirty-one species were found, many previously undescribed, belonging to the genera Leptoconops, Forcipomyia, Atrichopogon, Dasyhelea, Stilobezzia, Monohelea, Alluaudomyia, Ceratopogon, Bezzia and Culicoides. The relative abundance of genera is described and ecological notes given on each species. Pictorial keys to genera are given and to the species of Culicoides.