Clathria is a large genus of demosponges in the family Microcionidae.

[1] Clathria was first formally named in Eduard Oscar Schmidt's 1862 Die Spongien des adriatischen Meeres ("The sponges of the Adriatic Sea").

[1][2] The type species is Clathria (Clathria) compressa.

[1] The genus is divided into several subgenera:[1] The following species are recognised in the genus Clathria:[1] Subgenus Clathria (Axosuberites) Topsent, 1893