Amphimedon is een geslacht van sponsdieren uit de familie van de gewone sponzen (Demospongiae).
Soorten Amphimedon aculeata Pulitzer-Finali, 1982 Amphimedon aitsuensis (Hoshino, 1981) Amphimedon alata Pulitzer-Finali, 1996 Amphimedon anomala (Sarà, 1978) Amphimedon brevispiculifera (Dendy, 1905) Amphimedon calyx Goodwin, Jones, Neely & Brickle, 2011 Amphimedon caribica (Pulitzer-Finali, 1986) Amphimedon cellulosa (Verrill, 1907) Amphimedon chinensis (Pulitzer-Finali, 1982) Amphimedon chloros Ilan, Gugel & van Soest, 2004 Amphimedon complanata (Duchassaing, 1850) Amphimedon compressa Duchassaing & Michelotti, 1864 Amphimedon conferta Pulitzer-Finali, 1996 Amphimedon cristata Pulitzer-Finali, 1996 Amphimedon decurtata (Sarà, 1978) Amphimedon delicatula (Dendy, 1889) Amphimedon denhartogi de Voogd, 2003 Amphimedon dilatata Duchassaing & Michelotti, 1864 Amphimedon dinae Helmy & van Soest, 2005 Amphimedon elastica (Verrill, 1907) Amphimedon elastica (Kieschnick, 1898) Amphimedon erina (de Laubenfels, 1936) Amphimedon estelae Santos, Docio & Pinheiro, 2014 Amphimedon flexa (Pulitzer-Finali, 1982) Amphimedon hamadai Helmy & van Soest, 2005 Amphimedon jalae Helmy & van Soest, 2005 Amphimedon lamellata Fromont, 1993 Amphimedon leprosa Duchassaing & Michelotti, 1864 Amphimedon maresi (Sarà, 1978) Amphimedon massalis (Carter, 1886) Amphimedon micropora (Verrill, 1907) Amphimedon minuta Cuartas, 1988 Amphimedon mollis (Wilson, 1902) Amphimedon navalis Pulitzer-Finali, 1993 Amphimedon ochracea (Keller, 1889) Amphimedon paradisus Desqueyroux-Faúndez, 1989 Amphimedon paraviridis Fromont, 1993 Amphimedon queenslandica Hooper & van Soest, 2006 Amphimedon reticulosa (Thiele, 1905) Amphimedon robusta (Carter, 1885) Amphimedon rubens (Pallas, 1766) Amphimedon rubida Pulitzer-Finali, 1993 Amphimedon rubiginosa Pulitzer-Finali, 1993 Amphimedon rudis Pulitzer-Finali, 1996 Amphimedon spiculosa (Dendy, 1887) Amphimedon spinosa Pulitzer-Finali, 1993 Amphimedon strongylata Pulitzer-Finali, 1996 Amphimedon subcylindrica (Dendy, 1905) Amphimedon sulcata Fromont, 1993 Amphimedon texotli Cruz-Barraza & Carballo, 2008 Amphimedon trindanea (Ristau, 1978) Amphimedon viridis Duchassaing & Michelotti, 1864 Amphimedon zamboangae (Lévi, 1961)