Corinnidae is a family of araneomorph spiders, sometimes called corinnid sac spiders. The family, like other "clubionoid" families, has a confusing taxonomic history. Once it was a part of the large catch-all taxon Clubionidae, now very much smaller.

The original members of the family are apparently similar only in that they have eight eyes arranged in two rows, conical anterior spinnerets that touch and are generally wandering predators that build silken retreats, or sacs, usually on plant terminals, between leaves, under bark or under rocks.

In 2014, Martín Ramírez recognized the family in a restricted sense, including only the subfamilies Corinninae and Castianeirinae. Two former subfamilies of the Corinnidae are now treated as separate families, Phrurolithidae and Trachelidae. As now recognized, Corinnidae contains 71 genera and over 800 species worldwide.

Members of the genus Castianeira appear to be mimics of ants and velvet ants. Other corinnid ant-like genera include Mazax, Myrmecium and Myrmecotypus. Corinna is the type genus for the family and consists of small running spiders.

Genera

, this family includes 76 genera and 892 species:

Abapeba Bonaldo, 2000 – Puerto Rico, St. Vincent, Trinidad, Panama, Mexico, South America Aetius O. Pickard-Cambridge, 1897 – Ivory Coast, Asia Allomedmassa Dankittipakul & Singtripop, 2014 – China, Malaysia, Thailand, Vietnam Apochinomma Pavesi, 1881 – Africa, Asia, Brazil Arushina Caporiacco, 1947 – Tanzania Attacobius Mello-Leitão, 1925 – Argentina, Brazil Austrophaea Lawrence, 1952 – South Africa Battalus Karsch, 1878 – Australia Brachyphaea Simon, 1895 – East Africa Bunyoronius Bonaldo, Ramírez & Haddad, 2022 – Rwanda, Uganda, Central African Republic Cambalida Simon, 1909 – Africa, India Carteronius Simon, 1896 – Africa Castianeira Keyserling, 1879 – Africa, Asia, North America, South America, Portugal, Spain Castoponera Deeleman-Reinhold, 2001 – Indonesia, Malaysia Coenoptychus Simon, 1885 – Africa, India, Sri Lanka Copa Simon, 1886 – Madagascar, South Africa, Sri Lanka, Australia Copuetta Haddad, 2013 – Africa Corinna C. L. Koch, 1841 – Cameroon, Kenya, Tanzania, Pakistan, North America, South America, New Guinea Corinnomma Karsch, 1880 – Africa, Asia, St. Vincent Creugas Thorell, 1878 – USA to South America. Introduced to Ascension Island, Japan, Myanmar, Australia, Pacific islands Crinopseudoa Jocqué & Bosselaers, 2011 – Guinea, Ivory Coast, Liberia Cycais Thorell, 1877 – Japan, Indonesia Disnyssus Raven, 2015 – Australia Donuea Strand, 1932 – Madagascar, Mauritius Echinax Deeleman-Reinhold, 2001 – Africa, Asia Ecitocobius Bonaldo & Brescovit, 1998 – Brazil Erendira Bonaldo, 2000 – Puerto Rico, St. Vincent, Panama, Venezuela, Lesser Antilles Falconina Brignoli, 1985 – Bonaire, Panama, Mexico, South America. Introduced to Cuba, United States Fengzhen Lu & Li, 2023 – China Fluctus Jin & Zhang, 2020 – China Graptartia Simon, 1896 – Africa Grismadox Pett, Rubio & Perger, 2022 – Bolivia, Paraguay Griswoldella Haddad, 2021 – Madagascar Hortipes Bosselaers & Ledoux, 1998 – Africa, Mozambique Humua Ono, 1987 – Japan Ianduba Bonaldo, 1997 – Argentina, Brazil Iridonyssus Raven, 2015 – Australia Kolora Raven, 2015 – Australia Leichhardteus Raven & Baehr, 2013 – Australia Leptopicia Raven, 2015 – Australia Mazax O. Pickard-Cambridge, 1898 – North America, South America Medmassa Simon, 1887 – Africa, Asia, Australia, Papua New Guinea Megalostrata Karsch, 1880 – North America, Colombia Melanesotypus Raven, 2015 – Solomon Islands Merenius Simon, 1909 – Africa, Yemen Messapus Simon, 1898 – Africa Methesis Simon, 1896 – South America Myrmecium Latreille, 1824 – South America Myrmecotypus O. Pickard-Cambridge, 1894 – USA to South America Nucastia Raven, 2015 – Australia Nyssus Walckenaer, 1805 – Australia, Fiji, Solomon Islands. Introduced to New Zealand Olbus Simon, 1880 – Chile Ozcopa Raven, 2015 – Australia Parachemmis Chickering, 1937 – Panama, Brazil, Colombia, Guyana Paradiestus Mello-Leitão, 1915 – Brazil Paramedmassa Jin, H. Zhang & F. Zhang, 2019 – China, Laos, Thailand Peng Lu & Li, 2023 – China, Malaysia, Myanmar, Sri Lanka Poecilipta Simon, 1897 – Australia, New Caledonia Pranburia Deeleman-Reinhold, 1993 – China, Southeast Asia Procopius Thorell, 1899 – West, Central Africa Pronophaea Simon, 1897 – South Africa Psellocoptus Simon, 1896 – Venezuela Pseudocorinna Simon, 1909 – Africa Scorteccia Caporiacco, 1936 – Libya Septentrinna Bonaldo, 2000 – Guatemala, Mexico, United States Serendib Deeleman-Reinhold, 2001 – China, Southeast Asia Simonestus Bonaldo, 2000 – Guatemala, Panama, Mexico, Venezuela Sphecotypus O. Pickard-Cambridge, 1895 – Bolivia Spinirta Jin & Zhang, 2020 – China Stethorrhagus Simon, 1896 – South America Tapixaua Bonaldo, 2000 – South America Ticopa Raven, 2015 – Australia Tupirinna Bonaldo, 2000 – Panama, South America Vendaphaea Haddad, 2009 – South Africa Wasaka Haddad, 2013 – Cameroon, Eastern Africa Xeropigo O. Pickard-Cambridge, 1882 – Trinidad, United States, South America, Caribbean to Brazil, Guiana. Introduced to St. Helena

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