Rufina Ubah (ko kuma Uba ne, an haifeta 4 Afrilu 1959) tsohuwar 'yar tseren Najeriya ce wacce ta ƙware a tseren mita 100 . Ubah ta ƙare a mataki na huɗu a tseren mita 4 x 100 a Gasar Cin Kofin Duniya ta 1991, tare da abokiyar aikinta Beatrice Utondu, Christy Opara-Thompson da Mary Onyali-Omagbemi . A matakin daidaikun mutane, Ubah ta ci tagulla a wasannin All-Africa 1991 .