Tacinga werneri

{{Short description|Species of cactus}}

{{Speciesbox

|status = LC

|image = Tacinga werneri (Eggli) N.P.Taylor & Stuppy.jpg

|status_system = IUCN3.1

|status_ref = {{cite iucn |author = Taylor, N.P. |author2 = Zappi, D. |author3 = Machado, M. |author4 = Braun, P. |date = 2017 |title = Tacinga werneri |volume = 2017 |page = e.T40859A121555368 |doi = 10.2305/IUCN.UK.2017-3.RLTS.T40859A121555368.en |access-date = 15 November 2021}}

|taxon = Tacinga werneri

|authority = (Eggli) N.P.Taylor & Stuppy

}}

Tacinga werneri is a species of plant in the family Cactaceae. It is endemic to Brazil. Its natural habitats are subtropical or tropical dry forests and hot deserts. It is threatened by habitat loss.