Calister Ubah (an haife ta a 15 ga Nuwamba 1973) ƴar tseren Nijeriya ce . Ta shiga cikin mita 200 na mata a gasar bazara ta 1996. https://www.sports-reference.com/olympics/athletes/ub/calister-ubah-1.html https://web.archive.org/web/20200418113156/ https://www.sports-reference.com/olympics/athletes/ub/calister-ubah-1.html