Retusa is een geslacht van weekdieren uit de klasse van de Gastropoda (slakken).

Soorten 
 Retusa abyssicola Valdés, 2008
 Retusa agulhasensis Thiele, 1925
 Retusa amphizosta (Watson, 1886)
 Retusa atkinsoni (Tenison-Woods, 1876)
 Retusa borneensis (A. Adams, 1850)
 Retusa canariensis (Nordsieck & Talavera, 1979)
 Retusa cecillii (Philippi, 1844)
 Retusa chrysoma Burn in Burn & Bell, 1974
 Retusa chukchii Chaban, 2008
 Retusa complanata (Watson, 1883)
 Retusa concentrica (A. Adams, 1850)
 Retusa crebrisculpta (Monterosato, 1884)
 Retusa crispula (Watson, 1883)
 Retusa crossei (Bucquoy, Dautzenberg & Dollfus, 1886)
 Retusa desgenettii (Audouin, 1826)
 Retusa diaphana Valdés, 2008
 Retusa elegantissima Habe, 1950
 Retusa ennucleata (Powell & Bartrum, 1929) †
 Retusa famelica Watson, 1883
 Retusa frielei (Dall, 1881)
 Retusa golikovi Chaban, 2004
 Retusa insolita Valdés, 2008
 Retusa instabilis Minichev, 1971
 Retusa laevisculpta (Granata-Grillo, 1877)
 Retusa lata Chaban & Chernyshev, 2013
 Retusa lenis Valdés, 2008
 Retusa leptoeneilema (Brusina, 1866)
 Retusa mammillata (Philippi, 1836)
 Retusa mariei (Dautzenberg, 1889)
 Retusa mayoi (Dall, 1889)
 Retusa minima Yamakawa, 1911
 Retusa minutissima (Monterosato, 1878)
 Retusa montereyensis Smith & Gordon, 1948
 Retusa natalensis Barnard, 1963
 Retusa nitidula (Lovén, 1846)
 Retusa obtusa (Montagu, 1803)
 Retusa operculata Minichev, 1966
 Retusa opima (Finlay, 1926)
 Retusa oruaensis (Webster, 1908)
 Retusa otahuhuensis (Laws, 1950) †
 Retusa ovoides (Milaschewitsch, 1916)
 Retusa ovulina Lin, 1991
 Retusa parvula (Jeffreys, 1883)
 Retusa pellucida (Sars G. O., 1878)
 Retusa pelyx Burn in Burn & Bell, 1974
 Retusa pervia (Dall, 1889)
 Retusa pharetra Hedley, 1909
 Retusa pressa Marwick, 1928 †
 Retusa protumida (Hedley, 1903)
 Retusa pseudoglobosa Nomura, 1939
 Retusa pygmaea (A. Adams, 1850)
 Retusa robagliana (P. Fischer, 1869)
 Retusa sakuraii (Habe, 1958)
 Retusa sculpta (Gatliff & Gabriel, 1913)
 Retusa segnis (Laws, 1940) †
 Retusa semen (Reeve, 1855)
 Retusa soror (Suter, 1917) †
 Retusa sosa Ev. Marcus & Er. Marcus, 1969
 Retusa striata (Hutton, 1873)
 Retusa succincta (A. Adams, 1862)
 Retusa sulcata (d'Orbigny, 1841)
 Retusa sulcata (Watson, 1883)
 Retusa tarutana Smythe, 1979
 Retusa tenerifensis (Nordsieck & Talavera, 1979)
 Retusa tornata (Watson, 1886)
 Retusa toyamaensis (Habe, 1955)
 Retusa trunca Valdés, 2008
 Retusa truncatula (Bruguière, 1792)
 Retusa umbilicata (Montagu, 1803)
 Retusa variabilis (Milaschewitsch, 1912)
 Retusa waughiana Hedley, 1899
 Retusa xystrum Dall, 1919

Retusidae