Geodia is een geslacht van sponzen uit de familie van de gewone sponzen (Demospongiae).

Soorten 
 Geodia acanthylastra Lendenfeld, 1910
 Geodia agassizii Lendenfeld, 1910
 Geodia alba (Kieschnick, 1896)
 Geodia amadaiba Tanita & Hoshino, 1989
 Geodia amphistrongyla Lendenfeld, 1910
 Geodia anceps Vosmaer, 1894
 Geodia angulata Lendenfeld, 1910
 Geodia apiarium Schmidt, 1870
 Geodia arabica (Carter, 1869)
 Geodia areolata Carter, 1880
 Geodia arripiens Lindgren, 1897
 Geodia ataxastra Lendenfeld, 1910
 Geodia atlantica Stephens, 1915
 Geodia auroristella Dendy, 1916
 Geodia australis Da Silva & Mothes, 2000
 Geodia barretti Bowerbank, 1858
 Geodia basilea Lévi, 1964
 Geodia berryi (Sollas, 1888)
 Geodia bicolor Lendenfeld, 1910
 Geodia boesraugi Van Soest & Hooper, 2020
 Geodia breviana Lendenfeld, 1910
 Geodia californica Lendenfeld, 1910
 Geodia canaliculata Schmidt, 1868
 Geodia carcinophila Lendenfeld, 1897
 Geodia carteri Sollas, 1888
 Geodia cidaris (Lamarck, 1815)
 Geodia composita Bösraug, 1913
 Geodia conchilega Schmidt, 1862
 Geodia contorta Bowerbank, 1873
 Geodia cooksoni (Sollas, 1888)
 Geodia corticostylifera Hajdu, Muricy, Custodio, Russo & Peixinho, 1992
 Geodia crustosa Bösraug, 1913
 Geodia cumulus Schmidt, 1870
 Geodia cydonium (Linnaeus, 1767)
 Geodia cylindrica Thiele, 1898
 Geodia dendyi Burton, 1926
 Geodia depressa Bowerbank, 1873
 Geodia distincta Lindgren, 1897
 Geodia dura (Tendal, 1969)
 Geodia dysoni Bowerbank, 1873
 Geodia echinastrella Topsent, 1904
 Geodia eosaster (Sollas, 1888)
 Geodia erinacea (Lendenfeld, 1888)
 Geodia exigua Thiele, 1898
 Geodia flemingi Bowerbank, 1873
 Geodia gallica (Lendenfeld, 1907)
 Geodia geodina (Schmidt, 1868)
 Geodia gibberella de Laubenfels, 1951
 Geodia gibberosa Lamarck, 1815
 Geodia glariosa (Sollas, 1886)
 Geodia globosa (Baer, 1906)
 Geodia globostellifera Carter, 1880
 Geodia globus Schmidt, 1870
 Geodia hentscheli Cárdenas, Rapp, Schander & Tendal, 2010
 Geodia hilgendorfi Thiele, 1898
 Geodia hirsuta (Sollas, 1886)
 Geodia hyotania (Tanita, 1965)
 Geodia imperfecta Bowerbank, 1874
 Geodia inaequalis Bowerbank, 1873
 Geodia inconspicua (Bowerbank, 1873)
 Geodia isabella (Dickinson, 1945)
 Geodia japonica Sollas, 1888
 Geodia kuekenthali Thiele, 1900
 Geodia labyrinthica (Kirkpatrick, 1903)
 Geodia lacunata (Lamarck, 1815)
 Geodia libera Stephens, 1915
 Geodia lindgreni (Lendenfeld)
 Geodia littoralis Stephens, 1915
 Geodia lophotriaena Lendenfeld, 1910
 Geodia macandrewii Bowerbank, 1858
 Geodia magellani (Sollas, 1886)
 Geodia media Bowerbank, 1873
 Geodia megaster Burton, 1926
 Geodia megastrella Carter, 1876
 Geodia mesotriaenella Lendenfeld, 1910
 Geodia micraster Lendenfeld, 1907
 Geodia micropora Lendenfeld, 1910
 Geodia micropunctata Row, 1911
 Geodia microspinosa (Wilson, 1925)
 Geodia neptuni (Sollas, 1886)
 Geodia nigra (Lendenfeld, 1888)
 Geodia nilslindgreni (Van Soest & Hooper, 2020)
 Geodia nitida (Sollas, 1886)
 Geodia nodastrella Carter, 1876
 Geodia nodosa (Sim-Smith & Kelly, 2015)
 Geodia obscura Thiele, 1898
 Geodia orthomesotriaena Lebwohl, 1914
 Geodia ovifractus Burton, 1926
 Geodia ovis Lendenfeld, 1910
 Geodia oxyastra Lendenfeld, 1910
 Geodia papyracea Hechtel, 1965
 Geodia parasitica Bowerbank, 1873
 Geodia paupera Bowerbank, 1873
 Geodia pergamentacea Schmidt, 1870
 Geodia peruncinata Dendy, 1905
 Geodia philippinensis Wilson, 1925
 Geodia picteti (Topsent, 1897)
 Geodia placenta Schmidt, 1862
 Geodia pleiades (Sollas, 1888)
 Geodia poculata Bösraug, 1913
 Geodia punctata Hentschel, 1909
 Geodia ramodigitata Carter, 1880
 Geodia ramosa (Topsent, 1928)
 Geodia regina Dendy, 1924
 Geodia reniformis Thiele, 1898
 Geodia reticulata Powerbank, 1874
 Geodia riograndensis Silva & Mothes, 2000
 Geodia robusta (Lendenfeld, 1910)
 Geodia robusta Lendenfeld, 1907
 Geodia roviniensis Müller, Zahn, Zahn, Rijavec, Batel, Kurelec & Müller, 1983
 Geodia senegalensis Topsent, 1891
 Geodia sollasi Lendenfeld, 1888
 Geodia sparsa Wilson, 1925
 Geodia sphaeroides (Kieschnick, 1896)
 Geodia spheranthastra Pulitzer-Finali, 1993
 Geodia spherastrea Lévi, 1964
 Geodia spherastrella Topsent, 1904
 Geodia spherastrosa (Wilson, 1925)
 Geodia splendida Silva & Mothes, 2000
 Geodia stellata Lendenfeld, 1907
 Geodia stellosa (Czerniavsky, 1880)
 Geodia stromatodes (Uliczka, 1929)
 Geodia strongyla (Hoshino, 1981)
 Geodia thomsonii Schmidt, 1870
 Geodia tuberculosa Bowerbank, 1872
 Geodia tuberosa Schmidt, 1862
 Geodia tylastra Boury-Esnault, 1973
 Geodia variospiculosa Thiele, 1898
 Geodia vaubani Lévi & Lévi, 1983
 Geodia vestigifera (Dendy, 1924)
 Geodia vosmaeri'' (Sollas, 1886)