Obierai Wolfgang Horst
Oblons, Spivak, McClelland, Maier & Neustadt, P.C.
Oda Akemi
Oda Ikuyo
Odagiri Haruo
Odate Atsushi
Oder John David
Oder, II John David
Odishoo George J.
Oestman Carsten
Offutt Joseph R.
Ogata Motoaki
Ogawa Mitsuaki
Oh Chang-Hwan
Ohgo Yasunori
Ohm John Laurence
Ohmuro Hideaki
Ohno Seiich
Ohryo Akira
Ohsawa Takao