- family: Hahniidae
- genus: Hahnia
- species: Hahnia abrahami (Hewitt, 1915)
- species: Hahnia alini Tikader, 1964
- species: Hahnia arizonica Chamberlin & Ivie, 1942
- species: Hahnia banksi Fage, 1938
- species: Hahnia barbara Denis, 1937
- species: Hahnia barbata Bosmans, 1992
- species: Hahnia benoiti Bosmans & Thijs, 1980
- species: Hahnia breviducta Bosmans & Thijs, 1980
- species: Hahnia caeca (Georgescu & Sarbu, 1992)
- species: Hahnia caelebs Brignoli, 1978
- species: Hahnia cameroonensis Bosmans, 1987
- species: Hahnia candida Simon, 1875
- species: Hahnia carmelita Levy, 2007
- species: Hahnia cervicornata Wang & Zhang, 1986
- species: Hahnia chaoyangensis Zhu & Zhu, 1983
- species: Hahnia cinerea Emerton, 1890
- species: Hahnia clathrata Simon, 1898
- species: Hahnia corticicola Bösenberg & Strand, 1906
- species: Hahnia crozetensis Hickman, 1939
- species: Hahnia dewittei Bosmans, 1986
- species: Hahnia difficilis Harm, 1966
- species: Hahnia eburneensis Jocqué & Bosmans, 1982
- species: Hahnia eidmanni (Roewer, 1942)
- species: Hahnia falcata Wang, 1989
- species: Hahnia flagellifera Zhu, Chen & Sha, 1989
- species: Hahnia flaviceps Emerton, 1913
- species: Hahnia gigantea Bosmans, 1986
- species: Hahnia glacialis Sorensen, 1898
- species: Hahnia harmae Brignoli, 1977
- species: Hahnia hauseri Brignoli, 1978
- species: Hahnia helveola Simon, 1875
- species: Hahnia heterophthalma Simon, 1905
- species: Hahnia himalayaensis Hu & Zhang, 1990
- species: Hahnia inflata Benoit, 1978
- species: Hahnia innupta Brignoli, 1978
- species: Hahnia insulana Schenkel, 1938
- species: Hahnia isophthalma Mello-Leitao, 1941
- species: Hahnia jocquei Bosmans, 1982
- species: Hahnia laodiana Song, 1990
- species: Hahnia laticeps Simon, 1898
- species: Hahnia lehtineni Brignoli, 1978
- species: Hahnia leopoldi Bosmans, 1982
- species: Hahnia liangdangensis Tang, Yang & Kim, 1996
- species: Hahnia linderi Wunderlich, 1992
- species: Hahnia lobata Bosmans, 1981
- species: Hahnia maginii Brignoli, 1977
- species: Hahnia major Benoit, 1978
- species: Hahnia manengoubensis Bosmans, 1987
- species: Hahnia martialis Bösenberg & Strand, 1906
- species: Hahnia mauensis Bosmans, 1986
- species: Hahnia melloleitaoi Schiapelli & Gerschman, 1942
- species: Hahnia michaelseni Simon, 1902
- species: Hahnia microphthalma Snazell & Duffey, 1980
- species: Hahnia molossidis Brignoli, 1979
- species: Hahnia montana (Blackwall, 1841)
- species: Hahnia mridulae Tikader, 1970
- species: Hahnia musica Brignoli, 1978
- species: Hahnia naguaboi (Lehtinen, 1967)
- species: Hahnia nava (Blackwall, 1841)
- species: Hahnia nigricans Benoit, 1978
- species: Hahnia nobilis Opell & Beatty, 1976
- species: Hahnia obliquitibialis Bosmans, 1982
- species: Hahnia okefinokensis Chamberlin & Ivie, in Gertsch, 1934
- species: Hahnia ononidum Simon, 1875
- species: Hahnia oreophila Simon, 1898
- species: Hahnia ovata Song & Zheng, 1982
- species: Hahnia petrobia Simon, 1875
- species: Hahnia picta Kulczynski, in Chyzer & Kulczynski, 1897
- species: Hahnia pinicola Arita, 1978
- species: Hahnia pusilla C. L. Koch, 1841
- species: Hahnia pusio Simon, 1898
- species: Hahnia pyriformis Yin & Wang, 1984
- species: Hahnia rossii Brignoli, 1977
- species: Hahnia sanjuanensis Exline, 1938
- species: Hahnia schubotzi Strand, 1913
- species: Hahnia sibirica Marusik, Hippa & Koponen, 1996
- species: Hahnia simoni Mello-Leitao, 1919
- species: Hahnia sirimoni Benoit, 1978
- species: Hahnia spasskyi Denis, 1958
- species: Hahnia spinata Benoit, 1978
- species: Hahnia tabulicola Simon, 1898
- species: Hahnia tatei (Gertsch, 1934)
- species: Hahnia thorntoni Brignoli, 1982
- species: Hahnia tikaderi Brignoli, 1978
- species: Hahnia tortuosa Song & Kim, 1991
- species: Hahnia tuybaana Barrion & Litsinger, 1995
- species: Hahnia ulyxis Brignoli, 1974
- species: Hahnia upembaensis Bosmans, 1986
- species: Hahnia vangoethemi Benoit, 1978
- species: Hahnia vanwaerebeki Bosmans, 1987
- species: Hahnia veracruzana Gertsch & Davis, 1940
- species: Hahnia xinjiangensis Wang & Liang, 1989
- species: Hahnia yueluensis Yin & Wang, 1983
- species: Hahnia zhejiangensis Song & Zheng, 1982
- species: Hahnia zodarioides (Simon, 1898)