Rosina Umelo (an haife ta Rosina Martin, 1930) marubuciya ce ’yar Najeriya . An san ta da gajerun labarai, littattafan yara da kuma ƙagaggen labarin ta na manya . Ita ma ta buga da sunan alkalami Adaeze Madu . Rosina "Rose" Martin an haife ta ne a Cheshire, Ingila, kuma tayi karatu a Kwalejin Bedford, Jami'ar Landan . Ta auri dan Najeriya John Umelo a 1961, bayan sun hadu da shi a karkashin kasa na Landan . A shekarar 1965, su biyun suka koma Nijeriya . Ta koyar da yaren Latin a makarantar Queens, Enugu, har zuwa barkewar yakin basasar Najeriya (1967-70). Ta zama ‘yar Nijeriya a shekarar 1971 ta hanyar aure. Ta yi aiki a matsayin shugabar makaranta kuma ta kirkiro kayan karatun Turanci. Daga baya, Umelo ya zama mai kula da makarantar. Umelo na da aƙalla yara huɗu. Umelo ta tattara gajerun labaran ta 12 na manya ga mutumin da ya ci kudin (1978), biyar daga ciki suka ci kyaututtuka. Nancy J. Schmidt, da take rubutawa a Africa Today, ta kira rubutun Umelo a cikin Mutumin da Ya Ci Kudin "sabo," duk da cewa batun nata ya shafi batutuwan da suka saba da tatsuniyar Afirka.