O'Clock, Jr. George D.
O'Dea Robert J.
O'Donnell Eugene M.
O'Quinn, II John Thomas
O'Regan Sean
O'Reilly Dermod J. K.
O'Reilly Michael P.
Obata Tomoji
Oesterreicher Johannes
Oexmann Henry E. R.
Ogami Ken Y.
Ogami Kenneth Y.
Ogata Isao
Ogata Takenori
Ogawara Akihiro
Ohashi Shingeo
Ohin Stephen
Ohnishi Hiroshi
Ohnishi Koji
Ohno Kohichi