Fifteen species ofHaenydrafrom continental and insular Greece, includingH. christinaesp.n. from the Peloponnesus (belonging to thegracilis‐excisaspecies group), are listed and briefly described. Detailed maps of the so far known distribution in the southern Balkans and in the Aegean areas of all the species dealed with are provided, including original drawings of the male genitalia of most species. The following new synonymy is proposed:H. excisassp.exclusad'Orchymont, 1931 =H. phallicad'Orchymont, 1930.H. aroensisFerro, 1991 is regarded as Peloponnesian subspecies ofH. subintegraGanglbauer, 1901 (stat. n.).Haenydra dalmatinaGanglbauer, 1901, erroneously recorded by Janssens (1965) from Greece, is excluded from the Greek fauna;H. leonhardiBreit, 1916, andH. phallicad'Orchymont, 1930 are both recorded from Greece for the first time.