Gabriel Olakunle Olusanya (1936 - 2012) wani malamin ilimi ne na Najeriya, mai gudanarwa da diflomasiyya wanda ya kasance jakadan Najeriya a Faransa daga 1991 zuwa 1996. A bangaren karatun ilimi, yawancin ayyukansa na ilimi sun fi mayar da hankali ne kan tarihin Najeriya da alakar kasashen waje. Olusanya ya halarci makarantar Methodist Boys 'High School' a Legas sannan yayi karatun Tarihi a Kwalejin Jami'a, Ibadan (yanzu Jami'ar Ibadan). Ya ci gaba da karatu a Jami'ar British Columbia sannan daga baya ya sami Digiri na Doctorate daga Jami'ar Toronto. Bayan ya kammala karatun sa, sai ya shiga aikin koyarwa a yankin Arewacin Najeriya a Jami’ar Ahmadu Bello, inda tsohon malamin tarihin sa, Abdullahi Smith yake bunkasa sashin Tarihin ABU. Koyaya, rikice-rikicen siyasa da na ƙabilanci da suka gabaci yakin basasar Najeriya sun haifar da tafiyarsa zuwa Jami'ar Legas a 1966. Olusanya ta hanyar wallafe-wallafen ayyukansa da nadin nasa zuwa ga rukunin masu tunani na gwamnati sun sami bayyanar jama'a a matsayin mai ilimi da ilimi.