The Idoteidae are a family of isopod crustaceans. It includes these genera: * Poore, 2001 * Poore & Lew Ton, 1993 * Richardson, 1912 * Richardson, 1899 * Bate, 1863 * Guérin-Méneville, 1843 * Barnard, 1914 * Benedict in Richardson, 1901 * Euidotea Collinge, 1917 * Richardson, 1899 * Glyptidotea Stebbing, 1902 * Idotea Fabricius, 1798 * Hale, 1929 * Moreira, 1974 * Brusca & Wallerstein, 1979 * Stebbing, 1900 * Richardson, 1904 * Pentidotea Richardson, 1905 * Park & Wägele, 1995 * Leach, 1814 * Harger, 1878 * Hale, 1924