Ohemaa Mercy (an haife ta 7 ga Satumba 1977), wanda aka sani cikin rayuwar sirri kamar Mercy Twum-Ampofo, mawaƙa ce ta mutanen Ghana ta zamani. Ohemaa Mercy an haife ta ne ga gidan Mista da Mrs. Amoah, dukkansu Fantis daga Abakrapa da Elmina bi da bi. An haifeta a Weija a cikin Accra amma ta rayu mafi yawan rayuwarta a Koforidua. Ohemaa ta auri Isaac Twum-Ampofo kuma suna da Yaran uku Nyamekye, Nhyira da Aseda. Ohemaa Mercy ta fara karatun firamare ne a makarantar Firamare ta St Peter's Anglican da ke Koforidua sannan ta zarce zuwa makarantar sakandaren Ghana inda ta yi karatun sakandare. Ta ci gaba da zuwa Kwalejin horar da malamai a Kwalejin Horar da Malamai ta S.D.A, Asokore Koforidua inda ta samu Takardar shedar Malanta ‘A’. Ohemaa Mercy ta shiga masana'antar kiɗa ta bisharar Ghana a 2004. Burinta shine: Don ƙarfafawa da kawo fata ga masu rauni ta hanyar kiɗa da rayuwarta. Domin yin bishara ta hanyar wakokinta. Don sauya tunanin 'yan ƙasa cewa akwai fata ga kowa kuma akwai fata ga Ghana da Afirka.