Pantacantha

{{Short description|Genus of plants}}

{{Speciesbox

| image =

| image_caption =

| genus = Pantacantha

| parent_authority = Speg. (1902)

| species = ameghinoi

| authority = Speg. (1902)

}}

Pantacantha is a monotypic genus of flowering plants belonging to the family Solanaceae. The only species is Pantacantha ameghinoi.{{cite web |title=Pantacantha Speg. {{!}} Plants of the World Online {{!}} Kew Science |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:38472-1 |website=Plants of the World Online |access-date=27 May 2021 |language=en}}

It is a shrub native to southern Argentina.