Ono Hirohisa
Ooi Bee Chuan James
Ooi Hoe Seng
Oostlander Arie P.
Oouchi Satoshi
Opalenik John J.
Opitz Oliver
Opler Richard Q.
Oppliger Alain
Opsahl Scott
Oquin Terry
Orange Charles M.
Orban Gauthier
Orbanic Robert S.
Orbeta Ferdinand E.
Orlando Robert A.
Oros Donald L.
Orpen Frederick
Orrin H. Thomas
Ortega Jose L.