Dimorphochloa

{{Short description|Genus of grasses}}

{{Speciesbox

|image = Dimorphochloa rigida.jpg

|genus = Dimorphochloa

|parent_authority = S.T.Blake

|display_parents = 3

|species = rigida

|authority = S.T.Blake

|synonyms = Cleistochloa rigida {{small|(S.T.Blake) Clayton}}

|synonyms_ref = {{cite web |title=Dimorphochloa rigida S.T.Blake |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:399331-1 |website=Plants of the World Online |publisher=Royal Botanic Gardens, Kew |access-date=14 May 2025}}

}}

Dimorphochloa is a genus of grasses. It contains a single species, Dimorphochloa rigida, a perennial native to New South Wales and Queensland in eastern Australia.