One new genus Fijilimnesia and six new species Fijilimnesia fluviatilis, F. vitilevuensis, Neumania curvitarsis, N. montana, Koenikea fijica and K. cooki are described from Viti Levu, Fiji. Despite examining a lot of material, it has not benn possible to separate famales of the two new Fijilimnesia-species. These are the first records of water mites from Fiji. The water mite fauna of Viti Levu is rather poor, with only ten species recorded.