O'Donnell Walter
O'Neil David Allen
Ogasahara Tsutomu
Ohashi Michiya
Ohhara Seishichi
Ohkawa Shingo
Ohkuma Junichi
Ohshima Masaki
Ohta Masakatu
Ohta Yuhsuke
Ohwada Kou
Ohyama Atsunori
Okamoto Kenkiti
Okano Susumu
Oki Yoji
Okuchi Hiroaki
Okumura Daimon
Okuno Yutato
Oldham Michael L.
Olmstead Merle L.