See text Crouania is a genus of red algae (Rhodophyta) in the Callithamniaceae family.

The name of the genus honours the French born Crouan brothers, Pierre-Louis Crouan (1798 - 1871) and Hippolyte-Marie Crouan (1802 - 1871).

[1][2] It was first described by Jacob Georg Agardh in 1842, and the type species is Crouania attenuata.

[3][4] According to WoRMS:[5] According to Interim Register of Marine and Nonmarine Genera:[6]