Geoffrey Jideofor Kwusike Onyeama (An haife shi ne a 2 ga watan Fabrairun shekarar ta 1956) ya kasance shi ne Ministan Harkokin Wajen Najeriya. Onyeama an nada shi Ministan Harkokin Wajen Najeriya ne a watan Nuwamba na shekarar ta 2015, Akarka shin Shugaba Muhammadu Buhari . Onyeama ya kasan ce ya fito daga dangin masanin shari'ar Najeriya Charles Onyeama. Yayi digirinsa na farko, ya kuma Rike (BA) a Kimiyyar Siyasa daga Jami'ar Columbia, New York a shekarar ta 1977, ya kuma gama digirinsa na farko a bangaran Arts (BA), ya karanci Lauya a Kwalejin St John's College, Cambridge A shekara ta 1980. Yana da Digiri na biyu (LL. M) daga Makarantar Tattalin Arziki da Kimiyyar Siyasa ta London a shekarar ta 1982 , da kuma zama kwararre a bangaren Arts (MA) , da Shari'a daga St John's College, Cambridge a shekara ta 1984. Onyeama an shigar da shi a matsayin Lauya na Kotun Koli ta Nijeriya a cikin shekarar ta1983 kuma an kira shi zuwa ga Ingilishi Bar na Grey's a shekarar ta 1981.