Information on the fish parasites of Hiroshima and Tottori prefectures, Japan, published for91years between1924and2014is assembled as Parasite?Host and Host?Parasite lists. A total of37nominal species of the following groups have been reported: Euglenozoa(3species), Ciliophora(1), Microsporidia(2), Myxozoa (4), Trematoda(7), Monogenea(6), Nematoda(4), Hirudinida(2), Branchiura (2), Copepoda(5), and Isopoda(1). Information on the parasites not identified to species level is also given, including the species of Metamonada, Ciliophora, Microsporidia, Myxozoa, Trematoda, Cestoda, Hirudinida, Copepoda, and Isopoda.