Ohuchi Mituo
Ohyama Kyouhei
Ohyoshi Sadao
Okamura Taketoshi
Okazaki Minoru
Olafsson Jon
Olafsson Jon Thor
Olberg Albrecht
Olesen Neil
Olsson Rune
Olzog Detlef
Osawa Masao
Oseko Naoshi
Oshima Yashushi
Oslakovic Frank E.
Ostermann Jerry L.
Ott Daniel
Ottle John C.
Overlach Knut
Oxley Arthur R.