O'brien Walter F.
O'connell Peter D.
O'connor Brian
O'niel Cory
O'quinn D. Gene
Oades J. Kenyon
Oakley Clyde Gerald
Octasic Inc.
Oetken Joachim
Ogata Kaoru
Ogawa Toru
Ogden Richard
Ogura Takeshi
Oh Hyen O.
Oh Hyen-O
Oh Hyen-O.
Oh Hyeon O.
Oh Hyun O.
Ohashi Toshihiko
Ohlhaver Hinrich