Melocactus heimenii

{{Short description|Species of cactus}}

{{Speciesbox

| image =Melocactus heimenii spec nov IMG 2452a StO 2018-15.jpg

| image_caption =

| genus = Melocactus

| species = heimenii

| authority = P.J.Braun & Gonç.Brito

| synonyms =

}}

Melocactus heimenii is a species of Melocactus found in Brazil.{{BioRef|powo | title=Melocactus heimenii P.J.Braun & Gonç.Brito |id=77202390-1 | access-date=2024-04-29}}