Neodiaptomus is a genus of freshwater copepods in the family Diaptomidae. It contains the following species, four of which are listed as vulnerable species on the IUCN Red List (marked "VU" below):
Neodiaptomus curvispinosus Dang & Ho, 2001Neodiaptomus intermedius Flössner, 1984 (India)Neodiaptomus laii Kiefer, 1974 (Malaysia)Neodiaptomus lindbergi Brehm, 1951Neodiaptomus lymphatus (Brehm, 1933) (Indonesia)Neodiaptomus madrasensis Roy, 1999Neodiaptomus meggitti Kiefer, 1932Neodiaptomus physalipus Kiefer, 1935 (India)Neodiaptomus schmackeri (Poppe & Richard, 1892)Neodiaptomus siamensis Proongkiat & Sanoamuang, 2008Neodiaptomus songkhramensis Sanoamuang & Athibai, 2002Neodiaptomus vietnamensis Dang & Ho, 1998Neodiaptomus yangtsekiangensis Mashiko, 1951