Discocactus horstii

{{Short description|Species of cacti}}

{{Speciesbox

| image =Discocactus horstii.jpg

| image_caption =

|status = EN

|status_system = IUCN3.1

|status_ref ={{cite journal | last=Kew) | first=Nigel Taylor (RBG | last2=Assessment) | first2=Pierre Braun (Global Cactus | title=The IUCN Red List of Threatened Species | journal=IUCN Red List of Threatened Species | date=2010-06-04 | url=https://www.iucnredlist.org/species/40948/121438521 | access-date=2024-03-31 | page=}}

| taxon = Discocactus horstii

| authority = Buining & Brederoo

| synonyms =

}}

Discocactus horstii is a species of Discocactus found in Brazil.{{cite web | title=Discocactus horstii Buining & Brederoo | website=Plants of the World Online | url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:131477-1 | access-date=2024-01-02}}