Rufina Ubah (also spelled Uba; born 4 April 1959) is a former Nigerian sprinter who specialised in the 100 metres. Ubah finished fourth in 4 x 100 metres relay at the 1991 World Championships, together with teammates Beatrice Utondu, Christy Opara-Thompson and Mary Onyali-Omagbemi. On the individual level, Ubah won a bronze medal at the 1991 All-Africa Games.