Obermeier Hans-Johann
Oborin Boris S.
Ockert Carl E.
Ocrim S.p.A.
Oda Kouichi
Oda Ronald L.
Odom Horace L.
Odom Kenneth A.
Oesterwind G. Wolfgang
Oetjen Heinrich
Offer Robert
Officine Agusto Cattani & C. S.p.A.
Ogata Hiromasa
Ogawa Mitsushige
Ogawa Takaaki
Ogawa Yohji
Ogden Nathan
Ogino Fumiichi
Ogren John A.
Oguchi Tatsuki