Cif Simeon Olaosebikan Adebo (Oktoba 4, 1913 - 30 ga Satumba, 1994) ya kasance daya daga cikin masu gudanarwa na Najeriya, lauya kuma jami'in diflomasiyya wanda ya yi aiki a matsayin Mataimakin Sakatare Janar na Majalisar Dinkin Duniya. Ya kasance tsohon shugaban ma'aikatan gwamnati a tsohuwar yankin yammacin Najeriya . A matsayinsa na basaraken kabilar Yarbawa da ke zaune a tsaunin tarihi na Abeokuta, ya rike mukamin Okanlomo na Egbaland. Ya kammala karatunsa na Sakandare a Kwalejin King da ke Legas a shekarar 1932, sannan ya karanta fannin shari’a a Makarantar Koyon Tattalin Arziki ta Landan (London School of Economics), inda bayan ya kammala ya samu gurbin shiga mashaya. Adebo ya yi aiki a ma’aikatar kudi ta tarayya kuma a shekarar 1961 ya zama shugaban ma’aikatan gwamnati kuma babban sakataren gwamnatin yankin yammacin lokacin. An nada shi a matsayin wakilin Najeriya na din-din-din a Majalisar Dinkin Duniya daga 1962 zuwa 1967 sannan kuma yayi matsayin mataimakin Sakatare Janar na Majalisar Dinkin Duniya kuma Babban Babban Darakta na Cibiyar Horo da Bincike ta Majalisar Dinkin Duniya har zuwa 1972.