Hydrodessus is a genus of beetles in the family Dytiscidae, containing the following species: * Spangler, 1966 * Young, 1970 * (Guignot, 1957) * (Guignot, 1957) * Spangler, 1985 * Makhan, 1994 * Spangler, 1966 * (Guignot, 1957) * Spangler, 1985 * (Guignot, 1957) * Spangler, 1985 * Makhan, 1994 * Spangler, 1985 * J.Balfour-Browne, 1953 * Makhan, 1994 * Spangler, 1985 * Young, 1970