Joana Maduka (an haife ta a ranar 6 ga watan Mayu, 1941) injiniya ce ƴar Nijeriya. Ta zama mace ta farko a cikin ƙungiyar injiniyoyi ta Council for Regulation of Engineering in Nigeria (COREN) a shekarar 1974 . Sannan tana a Cibiyar Injiniyan Lantarki, Kungiyar Injiniyoyi ta Najeriya da Kwalejin Injiniya ta Najeriya . Ta kasance kuma a Cibiyar Fasaha ta Kimiyya ta Nijeriya a 1987 da Kaba na Fasaha ta Yaba a 1988. An girmama ta a matsayin memba na ƙungiyar Tarayyar Najeriya a 2008. Ita ce mace ta farko shugabar COREN. An haifi Maduka a ranar 6 ga Mayu, 1941 a Ilesha, Jihar Osun . Ita ce ƴa ta farko ga Mr Daniel Dada da Olufunmilayo Layinka. Ta tafi makarantar Otapete Methodist don karatun firamare. Ta halarci makarantar mata ta Methodist sannan ta tafi makarantar Queen's a shekarar 1955. Tana da B.Sc a Kimiyyar Kimiyyar Kimiyya daga Jami'ar Ife a 1965.  Ta samu digiri na biyu M.Sc a Engineering daga Trinity College Dublin a 1969.  A shekarar 1966, Maduka ta dauki jarabawar kammala karatun Injiniyan Lantarki ta wuce.