Campanula jacobaea is a species of flowering plants of the Campanulaceae family. The species is endemic to Cape Verde and is listed as vulnerable by the IUCN. Its local name is contra-bruxas-azul ("blue against witches"). The plant is used in traditional medicine. Campanula jacobaea is shown on a Cape Verdean $5 escudo coin issued in 1994.
Campanula jacobaea are founded in the islands of Santo Antão, São Vicente, São Nicolau and Santiago. The main altitudinal distribution is between 600 m and 1000 m. The plant is a mesophytic species, found in humid and sub-humid areas.