Cliona is a genus of demosponges in the family Clionaidae.^[1] It contains about eighty described species.

Species in this genus include:^[1]

• Cliona acephala Zea & López-Victoria, 2016
• Cliona adriatica Calcinai, Bavestrello, Cuttone & Cerrano, 2011
• Cliona aethiopicus Burton, 1932
• Cliona albimarginata Calcinai, Bavestrello & Cerrano, 2005
• Cliona amplicavata Rützler, 1974
• Cliona annulifera Annandale, 1915
• Cliona aprica Pang, 1973
• Cliona argus Thiele, 1898
• Cliona barbadensis Holmes, 2000
• Cliona burtoni Topsent, 1932
• Cliona caesia (Schönberg, 2000)
• Cliona caledoniae van Soest & Beglinger, 2009
• Cliona californiana de Laubenfels, 1932
• Cliona caribbaea Carter, 1882
• Cliona carteri (Ridley, 1881)
• Cliona celata Grant, 1826
• Cliona chilensis Thiele, 1905
• Cliona delitrix Pang, 1973
• Cliona desimoni Bavestrello, Calcinai & Sarà, 1995
• Cliona dioryssa (de Laubenfels, 1950)
• Cliona dissimilis Ridley & Dendy, 1886
• Cliona diversityla Sarà, 1978
• Cliona dubbia (Duchassaing & Michelotti, 1864)
• Cliona ecaudis Topsent, 1932
• Cliona ensifera Sollas, 1878
• Cliona euryphylle Topsent, 1888
• Cliona favus Calcinai, Bavestrello & Cerrano, 2005
• Cliona flavifodina Rützler, 1974
• Cliona infrafoliata (Thiele, 1898)
• Cliona insidiosa Hancock, 1849
• Cliona janitrix Topsent, 1932
• Cliona johannae Topsent, 1932
• Cliona johnstoni (Carter, 1886)
• Cliona jullieni Topsent, 1891
• Cliona kempi Annandale, 1915
• Cliona labiata (Keller, 1880)
• Cliona langae Pang, 1973
• Cliona latens (Duchassaing & Michelotti, 1864)
• Cliona laticavicola Pang, 1973
• Cliona lesueuri Topsent, 1888
• Cliona liangae Calcinai, Bavestrello & Cerrano, 2005
• Cliona lisa Cuartas, 1991
• Cliona lobata Hancock, 1849
• Cliona macgeachi Holmes, 2000
• Cliona medinae Cruz-Barraza, Carballo, Bautista-Guerrero & Nava, 2011
• Cliona michelini Topsent, 1887
• Cliona microstrongylata Carballo & Cruz-Barra, 2005
• Cliona millepunctata Hancock, 1849
• Cliona minuscula Schönberg, Grass & Heiermann, 2006
• Cliona mucronata Sollas, 1878
• Cliona nodulosa Calcinai, Cerrano, Sarà & Bavestrello, 2000
• Cliona orientalis Thiele, 1900
• Cliona papillae Carballo, Cruz-Barra & Gomez, 2004
• Cliona parenzani Corriero & Scalera-Liaci, 1997
• Cliona patera (Hardwicke, 1822)
• Cliona paucispina Rützler, 1974
• Cliona peponacea Pang, 1973
• Cliona phallica Leidy, 1889
• Cliona pocillopora Bautista-Guerrero, Carballo, Cruz-Barraza & Nava, 2006
• Cliona radiata Hancock, 1849
• Cliona raphida Boury-Esnault, 1973
• Cliona raromicrosclera (Dickinson, 1945)
• Cliona reticulata Ise & Fujita, 2005
• Cliona rhodensis Rützler & Bromley, 1981
• Cliona schmidti (Ridley, 1881)
• Cliona spissaspira Corriero & Nonnis Marzano, 2006
• Cliona subulata Sollas, 1878
• Cliona tenuis Zea & Weil, 2003
• Cliona thomasi Mote, Schönberg, Samaai, Gupta, Ingole, 2019
• Cliona thoosina Topsent, 1888
• Cliona tinctoria Schönberg, 2000
• Cliona topsenti (Lendenfeld, 1897)
• Cliona tropicalis Cruz-Barraza, Carballo, Bautista-Guerrero & Nava, 2011
• Cliona tumula Friday, Poppell & Hill, 2013
• Cliona undulata (George & Wilson, 1919)
• Cliona utricularis Calcinai, Bavestrello & Cerrano, 2005
• Cliona valentis (de Laubenfels, 1957)
• Cliona vallartense Carballo, Cruz-Barraza & Gomez, 2004
• Cliona varians (Duchassaing & Michelotti, 1864)
• Cliona vermifera Hancock, 1867
• Cliona viridis (Schmidt, 1862)