Diaphana is a genus of gastropods belonging to the family Diaphanidae.

The genus has almost cosmopolitan distribution.

Species:

• Diaphana abyssalis Schiøtte, 1998
• Diaphana anderssoni (Strebel, 1908)
• Diaphana brazieri Angas, 1877
• Diaphana californica Dall, 1919
• Diaphana caribaea Espinosa, Ortea & Fernández-Garcés, 2001
• Diaphana cretica (Forbes, 1844)
• Diaphana flava (R.B.Watson, 1897)
• Diaphana floridana Dall, 1927
• Diaphana glacialis Odhner, 1907
• Diaphana globosa (Lovén, 1846)
• Diaphana haini Linse & Schiøtte, 2002
• Diaphana hiemalis (Couthouy, 1839)
• Diaphana inflata (Strebel, 1908)
• Diaphana lactea (Jeffreys, 1877)
• Diaphana lottae Bush, 1893
• Diaphana makarovi Gorbunov, 1946
• Diaphana marshalli (Sykes, 1904)
• Diaphana mauretaniensis Schiøtte, 1998
• Diaphana minuta T.Brown, 1827
• Diaphana pacifica Schiøtte, 1998
• Diaphana paessleri (Strebel, 1905)
• Diaphana pfefferi (Strebel, 1908)
• Diaphana tasmanica (Beddome, 1883)

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