Diplopseustis is a genus of snout moths in the subfamily Lathrotelinae of the family Crambidae. It was described in 1884 by Edward Meyrick with Cymoriza minima <small>Butler, 1881</small> as its type species, which is now considered a synonym of Diplopseustis perieresalis.
The genus currently comprises seven species distributed in the Afrotropical, Indomalayan and Australasian realm.
Diplopseustis metallias <small>Meyrick, 1897</small> is now placed in Sufetula.