O'Hara David
O'Reilly Marc
Ochi Atsuhiko
Ogiso Katsuhiko
Ohlsson H.ang.kan
Okada Shuji
Okamura Kenichi
Okanda Hitoshi
Okaya Yoshiharu
Olatunbosun Adeboye
Olivo Alessandro
Ollinger Christoph
Olsen Scott Charles
Oltman Edward
Oltulu Oral
Omote Kazuhiko
Ong Poen S.
Oosting Kenneth
Ortega Richard
Ortner Hugo