Codonacanthus

{{Short description|Genus of flowering plants}}

{{Automatic taxobox

|image = Codonacanthus_pauciflorus_arimorisw05.jpg

|image_caption =

|taxon = Codonacanthus

|authority = Nees (1847)

}}

Codonacanthus is a genus of flowering plants belonging to the family Acanthaceae.{{cite web |title=Codonacanthus Nees {{!}} Plants of the World Online {{!}} Kew Science |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:481-1 |website=Plants of the World Online |access-date=21 March 2021 |language=en}}

Its native range is Assam through Indochina and southern China to Japan.

Species:

• Codonacanthus pauciflorus {{small|(Nees) Nees}}
• Codonacanthus sanjappae {{small|Karthig., Sumathi, Jayanthi & D.Naras.}}
• Codonacanthus spicatus {{small|Hand.-Mazz.}}