Ircinia is 'n genus van sponsdiere uit die klas van die Demospongiae (gewone sponse).
- Ircinia akaroa (Cook & Bergquist, 1999)
- Ircinia anomala (Dendy, 1905)
- Ircinia arbuscula (Hyatt, 1877)
- Ircinia aruensis (Hentschel, 1912)
- Ircinia arundinacea (Carter, 1880)
- Ircinia atrovirens (Keller, 1889)
- Ircinia aucklandensis (Cook & Bergquist, 1999)
- Ircinia cactiformis (Rao, 1941)
- Ircinia cactus (Lendenfeld, 1889)
- Ircinia caliculata (Lendenfeld, 1888)
- Ircinia campana (Lamarck, 1814)
- Ircinia chevreuxi (Topsent, 1894)
- Ircinia clavata (Thiele, 1905)
- Ircinia collectrix (Poléjaeff, 1884)
- Ircinia condensa (Topsent, 1894)
- Ircinia conulosa (Ridley, 1884)
- Ircinia cuspidata (Wilson, 1902)
- Ircinia cylindracea (Vacelet, Vasseur & Lévi, 1976)
- Ircinia dendroides (Schmidt, 1862)
- Ircinia dendroides (Polejaeff, 1884)
- Ircinia dickinsoni (De Laubenfels, 1936)
- Ircinia digitata (Topsent, 1894)
- Ircinia echinata (Keller, 1889)
- Ircinia ectofibrosa (George & Wilson, 1919)
- Ircinia favosa (Lieberkühn, 1859)
- Ircinia felix (Duchassaing & Michelotti, 1864)
- Ircinia filamentosa (Lamarck, 1814)
- Ircinia fistulosa (Cook & Bergquist, 1999)
- Ircinia flagelliformis (Carter, 1886)
- Ircinia friabilis (Polejaeff, 1884)
- Ircinia fusca (Carter, 1880)
- Ircinia hummelincki (Van Soest, 1978)
- Ircinia intertexta (Hyatt, 1877)
- Ircinia irregularis (Poléjaeff, 1884)
- Ircinia lendenfeldi (De Laubenfels, 1948)
- Ircinia marginalis (Duchassaing & Michelotti, 1864)
- Ircinia microconulosa (Pulitzer-Finali, 1982)
- Ircinia mutans (Wilson, 1925)
- Ircinia novaezealandiae (Bergquist, 1961)
- Ircinia oligoceras (Poléjaeff, 1884)
- Ircinia oros (Schmidt, 1864)
- Ircinia pauciarenaria (Boury-Esnault, 1973)
- Ircinia paucifilamentosa (Vacelet, 1961)
- Ircinia paupera (Thiele, 1905)
- Ircinia pellita (Rao, 1941)
- Ircinia pilosa (Pulitzer-Finali, 1982)
- Ircinia pinna (Hentschel, 1912)
- Ircinia procumbens (Poléjaeff, 1884)
- Ircinia ramodigitata (Burton, 1934)
- Ircinia ramosa (Keller, 1889)
- Ircinia rectilinea (Hyatt, 1877)
- Ircinia repens (Sandes & Pinheiro, 2014)
- Ircinia reteplana (Topsent, 1923)
- Ircinia retidermata (Pulitzer-Finali & Pronzato, 1981)
- Ircinia rubra (Lendenfeld, 1889)
- Ircinia schulzei (Dendy, 1905)
- Ircinia selaginea (Lamarck, 1814)
- Ircinia sergipana (Sandes & Pinheiro, 2014)
- Ircinia solida (Esper, 1794)
- Ircinia solida (Carter, 1885)
- Ircinia spiculosa (Hentschel, 1912)
- Ircinia stipitata (Topsent, 1894)
- Ircinia strobilina (Lamarck, 1816)
- Ircinia subaspera (Cook & Bergquist, 1999)
- Ircinia tintinnabula (Duchassaing & Michelotti, 1864)
- Ircinia tristis (Duchassaing & Michelotti, 1864)
- Ircinia truncata (Topsent, 1894)
- Ircinia tuberosa (Dendy, 1905)
- Ircinia turrita (Cook & Bergquist, 1999)
- Ircinia undulans (Cook & Bergquist, 1999)
- Ircinia vallata (Dendy, 1887)
- Ircinia variabilis (Schmidt, 1862)
- Ircinia verrucosa (Ferrer-Hernandez, 1914)
- Ircinia vestibulata (Szymanski, 1904)
- Ircinia wistarii (Wilkinson, 1978)