Chacoa is a genus of flowering plants in the family Asteraceae.
There is only one known species, Chacoa pseudoprasiifolia, native to southern Brazil (Santa Catarina State), Paraguay, and northeastern Argentina.
Chacoa mikaniifolia <small>(B.L.Rob.) R.M.King & H.Rob.</small> - Synonym of Bishovia mikaniifolia <small>(B.L.Rob.) R.M.King & H.Rob.</small>