| Codonacanthus | |
|---|---|
 | |
| C. pauciflorus in Okinawa Island, Japan | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Lamiales |
| Family: | Acanthaceae |
| Genus: | Codonacanthus Nees (1847) |
Codonacanthus is a genus of flowering plants belonging to the family Acanthaceae.
Its native range is Assam through Indochina and southern China to Japan.
Species:
- Codonacanthus pauciflorus (Nees) Nees
- Codonacanthus sanjappae Karthig., Sumathi, Jayanthi & D.Naras.
- Codonacanthus spicatus Hand.-Mazz.