O'Neill Kevin R.
Ocello Alberto
Ogawa Hirohisa
Ogawa Kazuto
Oh Byung-Jun
Ohrimenko Olga
Ohta Kazuo
Oiwa Yutaka
Ojha Alok
Oladele Omole
Oliveira Paulo F.
Olsen Kim
Oludele Awodele
Olurotimi Seton
Omogbadegun Zaccheous O.
Ong Yao Lin
Ooi K. S.
Oostdijk Martijn
Orlandi Claudio
Orlicki Jose