Mabel Segun (an haife ta a shekara ta 1930) mawakiya ne a Nijeriya, marubuciyan wasan kwaikwayo kuma marubuciyan gajerun labarai da littattafan yara. Ta kuma kasance malama, mai watsa labarai, kuma 'yar wasa. An haife ta a Ondo City, Najeriya, ta halarci Jami'ar Ibadan, ta kammala a 1953 tare da BA a Turanci, Latin da Tarihi. Ta koyar da wadannan darussan a makarantun Najeriya, sannan daga baya ta zama Shugabar Sashen Nazarin Ingilishi da Nazarin Zamani da kuma Mataimakin Shugaban Kwalejin Kwalejin Fasaha ta Kasa, Yaba ( Kwalejin Fasaha ta Yaba Yanzu). Littafinta na farko, 'Yar Mahaifina (1965), wanda aka buga a 1965, an yi amfani da shi sosai a matsayin rubutun adabi a makarantu a duk faɗin duniya, kuma an fassara littattafanta zuwa Jamusanci, Danish, Norway da Girkanci. Aikinta yana cikin tarihin 'Ya'yan Afirka (1992). Segun ta dauki nauyin wallafe-wallafen yara a Najeriya ta hanyar kungiyar wallafe-wallafen yara ta Najeriya, wacce ta kafa a shekarar 1978, da kuma Cibiyar Tattara bayanai da bincike ta yara, wacce ta kafa a 1990 a Ibadan .