O'Neill James A.
O'Riain Lincoln
Odiwo Donald M.
Oetzel Thomas
Ogren Nils
Oh Minseok
Oh Yong-Chul
Ohashi Takuo
Ohnishi Yoshifumi
Oi Hiroyuki
Okamoto Rintarou
Olsen Christopher S.
Olsen Leif Christian
Olson Adam
Ong Kok Keng
Osugi Richard
Otaki Michitaka
Ott John Albrecht
Ozzello Tony