Olson Sean
Olson Timothy W.
Ong Edith C.
Ong Edith Ting Ting
Ono Toshifumi
Opaltone International Limited
Oprysko Modest M.
Optotek Limited
Orem Rowland L.
Orikasa Teruaki
Orlovic Milivoj
Osborne James J.
Oshima Akinobu
Oskotsky Mark L.
Osowski Rudolf Leonhard
Ouano Augustus C.
Owens Robert A.
Ozaki Motoaki
Ozawa Kunitaka
Ozeki Minoru