Harpochilus is a genus of flowering plants belonging to the family Acanthaceae. It includes three species endemic to northeastern Brazil.

Species:

  • Harpochilus corrugatus Zappi & F.A.Silva
  • Harpochilus neesianus Mart. ex Nees
  • Harpochilus paraibanus F.K.S.Monteiro, J.I.M.Melo & E.M.P.Fernando