O'Beirne Mark
O'Brien Dominic C
O'Hare John B.
O'Neil Rorie
O'Reilly Andrew
O'Riordain Fergal
O'Connor William W.
Oakes Ronald
Oberholtzer John C.
Oberlaender Ralf
Obermeier Matthias
Ochiai Katsuyuki
Odigie Erumusele O.
Odrakiewicz Robert S.
Oestreich Stefan
Ogawa Noriyuki
Ogden Dan G.
Ogo Shinichi
Ögren Mikael
Ögren Niclas